** Hiding Passwords and Secret Keys in Environment Variables (Windows)
==========================================
import os
db_user = os.environ.get('DB_USER')
db_password = os.environ.get('DB_PASS')
print(db_user)
print(db_password)
---------------------------------
my_db_user
my_db_pass_123!
---------------------------------
** Logging Advanced - Loggers, Handlers, and Formatters
==========================================
import logging
logging.basicConfig(filename='employee.log', level=logging.INFO,
format='%(levelname)s:%(name)s:%(message)s')
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
logging.info('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
emp_3 = Employee('Jane', 'Doe')
---------employee.log---------------
INFO:root:Created Employee: John Smith - John.Smith@email.com
INFO:root:Created Employee: Corey Schafer - Corey.Schafer@email.com
INFO:root:Created Employee: Jane Doe - Jane.Doe@email.com
---------------------------------
==========================================
import logging
logging.basicConfig(filename='sample.log', level = logging.DEBUG,
format = '%(asctime)s:%(name)s:%(message)s')
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 20
num_2 = 10
add_result = add(num_1, num_2)
logging.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
----------sample.log---------------
2020-05-19 18:22:39,155:root:Add: 20 + 10 = 30
2020-05-19 18:22:39,155:root:Sub: 20 - 10 = 10
2020-05-19 18:22:39,155:root:Mul: 20 * 10 = 200
2020-05-19 18:22:39,156:root:Div: 20 / 10 = 2.0
---------------------------------
==========================================
import logging
import employee
logging.basicConfig(filename='sample.log', level = logging.DEBUG,
format = '%(asctime)s:%(name)s:%(message)s')
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 20
num_2 = 10
add_result = add(num_1, num_2)
logging.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
----------employee.py---------------
import logging
logging.basicConfig(filename='employee.log', level=logging.INFO,
format='%(levelname)s:%(name)s:%(message)s')
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
logging.info('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
emp_3 = Employee('Jane', 'Doe')
---------employee.log---------------
INFO:root:Created Employee: John Smith - John.Smith@email.com
INFO:root:Created Employee: Corey Schafer - Corey.Schafer@email.com
INFO:root:Created Employee: Jane Doe - Jane.Doe@email.com
---------------------------------
==========================================
import logging
import employee
logging.basicConfig(filename='sample.log', level = logging.DEBUG,
format = '%(asctime)s:%(name)s:%(message)s')
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 20
num_2 = 10
add_result = add(num_1, num_2)
logging.info('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.info('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.info('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.info('Div: {} / {} = {}'.format(num_1, num_2, div_result))
----------employee.py---------------
import logging
logging.basicConfig(filename='employee.log', level=logging.INFO,
format='%(levelname)s:%(name)s:%(message)s')
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
logging.info('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
emp_3 = Employee('Jane', 'Doe')
---------employee.log---------------
INFO:root:Created Employee: John Smith - John.Smith@email.com
INFO:root:Created Employee: Corey Schafer - Corey.Schafer@email.com
INFO:root:Created Employee: Jane Doe - Jane.Doe@email.com
INFO:root:Add: 20 + 10 = 30
INFO:root:Sub: 20 - 10 = 10
INFO:root:Mul: 20 * 10 = 200
INFO:root:Div: 20 / 10 = 2.0
---------------------------------
==========================================
import logging
logger = logging.getLogger(__name__)
logging.basicConfig(filename='employee.log', level=logging.INFO,
format='%(levelname)s:%(name)s:%(message)s')
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
logger.info('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
emp_3 = Employee('Jane', 'Doe')
---------employee.log---------------
INFO:__main__:Created Employee: John Smith - John.Smith@email.com
INFO:__main__:Created Employee: Corey Schafer - Corey.Schafer@email.com
INFO:__main__:Created Employee: Jane Doe - Jane.Doe@email.com
---------------------------------
==========================================
import logging
logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)
formatter = logging.Formatter('%(levelname)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('employee.log')
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
logger.info('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
emp_3 = Employee('Jane', 'Doe')
---------employee.log---------------
INFO:__main__:Created Employee: John Smith - John.Smith@email.com
INFO:__main__:Created Employee: Corey Schafer - Corey.Schafer@email.com
INFO:__main__:Created Employee: Jane Doe - Jane.Doe@email.com
---------------------------------
==========================================
import logging
import employee
logging.basicConfig(filename='sample.log', level = logging.DEBUG,
format = '%(asctime)s:%(name)s:%(message)s')
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 20
num_2 = 10
add_result = add(num_1, num_2)
logging.info('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.info('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.info('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.info('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------employee.py----------------
import logging
logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)
formatter = logging.Formatter('%(levelname)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('employee.log')
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
logger.info('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
emp_3 = Employee('Jane', 'Doe')
-----------sample.log---------------
2020-05-19 18:40:59,594:root:Add: 20 + 10 = 30
2020-05-19 18:40:59,594:root:Sub: 20 - 10 = 10
2020-05-19 18:40:59,594:root:Mul: 20 * 10 = 200
2020-05-19 18:40:59,594:root:Div: 20 / 10 = 2.0
---------employee.log---------------
INFO:employee:Created Employee: John Smith - John.Smith@email.com
INFO:employee:Created Employee: Corey Schafer - Corey.Schafer@email.com
INFO:employee:Created Employee: Jane Doe - Jane.Doe@email.com
---------------------------------
==========================================
import logging
import employee
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('sample.log')
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 20
num_2 = 10
add_result = add(num_1, num_2)
logger.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logger.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logger.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logger.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------employee.py----------------
import logging
logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)
formatter = logging.Formatter('%(levelname)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('employee.log')
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
logger.info('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
emp_3 = Employee('Jane', 'Doe')
-----------sample.log---------------
2020-05-19 18:50:07,802:__main__:Add: 20 + 10 = 30
2020-05-19 18:50:07,802:__main__:Sub: 20 - 10 = 10
2020-05-19 18:50:07,803:__main__:Mul: 20 * 10 = 200
2020-05-19 18:50:07,803:__main__:Div: 20 / 10 = 2.0
---------employee.log---------------
INFO:employee:Created Employee: John Smith - John.Smith@email.com
INFO:employee:Created Employee: Corey Schafer - Corey.Schafer@email.com
INFO:employee:Created Employee: Jane Doe - Jane.Doe@email.com
---------------------------------
==========================================
import logging
import employee
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('sample.log')
file_handler.setLevel(logging.ERROR)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 20
num_2 = 10
add_result = add(num_1, num_2)
logger.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logger.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logger.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logger.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
-----------sample.log---------------
<~~ ERROR 가 없기 때문에, sample.log 파일에 내용 없음
---------------------------------
==========================================
import logging
import employee
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('sample.log')
file_handler.setLevel(logging.ERROR)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
try:
result = x / y
except ZeroDivisionError:
logger.error('Tried to divide by zero')
else:
return resule
num_1 = 20
num_2 = 0
add_result = add(num_1, num_2)
logger.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logger.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logger.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logger.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
-----------sample.log---------------
2020-05-19 18:59:07,508:__main__:Tried to divide by zero
---------------------------------
==========================================
import logging
import employee
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('sample.log')
file_handler.setLevel(logging.ERROR)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
try:
result = x / y
except ZeroDivisionError:
logger.exception('Tried to divide by zero')
else:
return resule
num_1 = 20
num_2 = 0
add_result = add(num_1, num_2)
logger.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logger.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logger.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logger.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
-----------sample.log---------------
2020-05-19 19:15:59,921:__main__:Tried to divide by zero
Traceback (most recent call last):
File "C:\Users\purunet\Documents\py6\log1.py", line 37, in divide
result = x / y
ZeroDivisionError: division by zero
---------------------------------
==========================================
import logging
import employee
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('sample.log')
file_handler.setLevel(logging.ERROR)
file_handler.setFormatter(formatter)
stream_handler = logging.StreamHandler()
logger.addHandler(file_handler)
logger.addHandler(stream_handler)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
try:
result = x / y
except ZeroDivisionError:
logger.exception('Tried to divide by zero')
else:
return resule
num_1 = 20
num_2 = 0
add_result = add(num_1, num_2)
logger.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logger.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logger.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logger.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------------------------------
Add: 20 + 0 = 20
Sub: 20 - 0 = 20
Mul: 20 * 0 = 0
Tried to divide by zero
Traceback (most recent call last):
File "C:\Users\purunet\Documents\py6\log1.py", line 39, in divide
result = x / y
ZeroDivisionError: division by zero
Div: 20 / 0 = None
---------------------------------
==========================================
import logging
import employee
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s:%(name)s:%(message)s')
file_handler = logging.FileHandler('sample.log')
file_handler.setLevel(logging.ERROR)
file_handler.setFormatter(formatter)
stream_handler = logging.StreamHandler()
stream_handler.setFormatter(formatter)
logger.addHandler(file_handler)
logger.addHandler(stream_handler)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
try:
result = x / y
except ZeroDivisionError:
logger.exception('Tried to divide by zero')
else:
return resule
num_1 = 20
num_2 = 0
add_result = add(num_1, num_2)
logger.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logger.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logger.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logger.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------------------------------
2020-05-19 19:20:20,756:__main__:Add: 20 + 0 = 20
2020-05-19 19:20:20,756:__main__:Sub: 20 - 0 = 20
2020-05-19 19:20:20,757:__main__:Mul: 20 * 0 = 0
2020-05-19 19:20:20,758:__main__:Tried to divide by zero
Traceback (most recent call last):
File "C:\Users\purunet\Documents\py6\log1.py", line 40, in divide
result = x / y
ZeroDivisionError: division by zero
2020-05-19 19:20:20,762:__main__:Div: 20 / 0 = None
---------------------------------
** Logging Basics - Logging to Files, Setting Levels, and Formatting
==========================================
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 10
num_2 = 5
add_result = add(num_1, num_2)
print('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
print('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
print('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
print('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------------------------------
Add: 10 + 5 = 15
Sub: 10 - 5 = 5
Mul: 10 * 5 = 50
Div: 10 / 5 = 2.0
---------------------------------
==========================================
import logging
# DEBUG: Detailed information, typically of interest only when diagnosing problems.
# INFO: Confirmation that things are working as expected.
# WARNING: An indication that something unexpected happened, or indicative of some problem in the near future (e.g. ‘disk space low’). The software is still working as expected.
# ERROR: Due to a more serious problem, the software has not been able to perform some function.
# CRITICAL: A serious error, indicating that the program itself may be unable to continue running.
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 10
num_2 = 5
add_result = add(num_1, num_2)
logging.warning('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.warning('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.warning('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.warning('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------------------------------
WARNING:root:Add: 10 + 5 = 15
WARNING:root:Sub: 10 - 5 = 5
WARNING:root:Mul: 10 * 5 = 50
WARNING:root:Div: 10 / 5 = 2.0
---------------------------------
==========================================
import logging
# DEBUG: Detailed information, typically of interest only when diagnosing problems.
# INFO: Confirmation that things are working as expected.
# WARNING: An indication that something unexpected happened, or indicative of some problem in the near future (e.g. ‘disk space low’). The software is still working as expected.
# ERROR: Due to a more serious problem, the software has not been able to perform some function.
# CRITICAL: A serious error, indicating that the program itself may be unable to continue running.
logging.basicConfig(level = logging.DEBUG)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 10
num_2 = 5
add_result = add(num_1, num_2)
logging.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------------------------------
DEBUG:root:Add: 10 + 5 = 15
DEBUG:root:Sub: 10 - 5 = 5
DEBUG:root:Mul: 10 * 5 = 50
DEBUG:root:Div: 10 / 5 = 2.0
---------------------------------
==========================================
import logging
# DEBUG: Detailed information, typically of interest only when diagnosing problems.
# INFO: Confirmation that things are working as expected.
# WARNING: An indication that something unexpected happened, or indicative of some problem in the near future (e.g. ‘disk space low’). The software is still working as expected.
# ERROR: Due to a more serious problem, the software has not been able to perform some function.
# CRITICAL: A serious error, indicating that the program itself may be unable to continue running.
logging.basicConfig(filename='test.log', level = logging.DEBUG)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 10
num_2 = 5
add_result = add(num_1, num_2)
logging.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------test.log------------------
DEBUG:root:Add: 10 + 5 = 15
DEBUG:root:Sub: 10 - 5 = 5
DEBUG:root:Mul: 10 * 5 = 50
DEBUG:root:Div: 10 / 5 = 2.0
---------------------------------
==========================================
import logging
# DEBUG: Detailed information, typically of interest only when diagnosing problems.
# INFO: Confirmation that things are working as expected.
# WARNING: An indication that something unexpected happened, or indicative of some problem in the near future (e.g. ‘disk space low’). The software is still working as expected.
# ERROR: Due to a more serious problem, the software has not been able to perform some function.
# CRITICAL: A serious error, indicating that the program itself may be unable to continue running.
logging.basicConfig(filename='test.log', level = logging.DEBUG)
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 20
num_2 = 10
add_result = add(num_1, num_2)
logging.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------test.log------------------
DEBUG:root:Add: 10 + 5 = 15
DEBUG:root:Sub: 10 - 5 = 5
DEBUG:root:Mul: 10 * 5 = 50
DEBUG:root:Div: 10 / 5 = 2.0
DEBUG:root:Add: 20 + 10 = 30
DEBUG:root:Sub: 20 - 10 = 10
DEBUG:root:Mul: 20 * 10 = 200
DEBUG:root:Div: 20 / 10 = 2.0
---------------------------------
==========================================
https://docs.python.org/3/library/logging.html
==========================================
import logging
# DEBUG: Detailed information, typically of interest only when diagnosing problems.
# INFO: Confirmation that things are working as expected.
# WARNING: An indication that something unexpected happened, or indicative of some problem in the near future (e.g. ‘disk space low’). The software is still working as expected.
# ERROR: Due to a more serious problem, the software has not been able to perform some function.
# CRITICAL: A serious error, indicating that the program itself may be unable to continue running.
logging.basicConfig(filename='test.log', level = logging.DEBUG,
format = '%(asctime)s:%(levelname)s:%(message)s')
def add(x, y):
"""Add Function"""
return x + y
def subtract(x, y):
"""Subtract Function"""
return x - y
def multiply(x, y):
"""Multiply Function"""
return x * y
def divide(x, y):
"""Divide Function"""
return x / y
num_1 = 20
num_2 = 10
add_result = add(num_1, num_2)
logging.debug('Add: {} + {} = {}'.format(num_1, num_2, add_result))
sub_result = subtract(num_1, num_2)
logging.debug('Sub: {} - {} = {}'.format(num_1, num_2, sub_result))
mul_result = multiply(num_1, num_2)
logging.debug('Mul: {} * {} = {}'.format(num_1, num_2, mul_result))
div_result = divide(num_1, num_2)
logging.debug('Div: {} / {} = {}'.format(num_1, num_2, div_result))
---------test.log------------------
DEBUG:root:Add: 10 + 5 = 15
DEBUG:root:Sub: 10 - 5 = 5
DEBUG:root:Mul: 10 * 5 = 50
DEBUG:root:Div: 10 / 5 = 2.0
DEBUG:root:Add: 20 + 10 = 30
DEBUG:root:Sub: 20 - 10 = 10
DEBUG:root:Mul: 20 * 10 = 200
DEBUG:root:Div: 20 / 10 = 2.0
2020-05-19 18:03:54,008:DEBUG:Add: 20 + 10 = 30
2020-05-19 18:03:54,033:DEBUG:Sub: 20 - 10 = 10
2020-05-19 18:03:54,033:DEBUG:Mul: 20 * 10 = 200
2020-05-19 18:03:54,033:DEBUG:Div: 20 / 10 = 2.0
---------------------------------
==========================================
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
print('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
---------------------------------
Created Employee: John Smith - John.Smith@email.com
Created Employee: Corey Schafer - Corey.Schafer@email.com
---------------------------------
==========================================
import logging
logging.basicConfig(filename = 'employee.log', level = logging.INFO,
format = '%(levelname)s:%(message)s')
class Employee:
"""A sample Employee class"""
def __init__(self, first, last):
self.first = first
self.last = last
logging.info('Created Employee: {} - {}'.format(self.fullname, self.email))
@property
def email(self):
return '{}.{}@email.com'.format(self.first, self.last)
@property
def fullname(self):
return '{} {}'.format(self.first, self.last)
emp_1 = Employee('John', 'Smith')
emp_2 = Employee('Corey', 'Schafer')
emp_3 = Employee('Jane', 'Doe')
---------employee.log--------------
INFO:Created Employee: John Smith - John.Smith@email.com
INFO:Created Employee: Corey Schafer - Corey.Schafer@email.com
INFO:Created Employee: Jane Doe - Jane.Doe@email.com
---------------------------------
** SQLite : Complete Overview - Creating a Database, Table, and Running Queries
==========================================
import sqlite3
conn = sqlite3.connect('employee.db')
==========================================
import sqlite3
conn = sqlite3.connect('employee.db')
c = conn.cursor()
c.execute("""CREATE TABLE employees (
first text,
last text,
pay integer
)""")
conn.commit()
conn.close()
---------------------------------
c.execute("""CREATE TABLE employees (
sqlite3.OperationalError: table employees already exists
---------------------------------
==========================================
import sqlite3
conn = sqlite3.connect('employee.db')
c = conn.cursor()
c.execute("SELECT * FROM employees WHERE last='Schafer'")
print(c.fetchone())
conn.commit()
conn.close()
---------------------------------
('Corey', 'Schafer', 50000)
---------------------------------
==========================================
import sqlite3
conn = sqlite3.connect('employee.db')
c = conn.cursor()
c.execute("SELECT * FROM employees WHERE last='Smith'")
print(c.fetchone())
conn.commit()
conn.close()
---------------------------------
None
---------------------------------
==========================================
import sqlite3
conn = sqlite3.connect('employee.db')
c = conn.cursor()
c.execute("SELECT * FROM employees WHERE last='Schafer'")
print(c.fetchall())
conn.commit()
conn.close()
---------------------------------
[('Corey', 'Schafer', 50000)]
---------------------------------
==========================================
import sqlite3
conn = sqlite3.connect('employee.db')
c = conn.cursor()
c.execute("INSERT INTO employees VALUES ('Mary', 'Schafer', 70000)")
conn.commit()
c.execute("SELECT * FROM employees WHERE last='Schafer'")
print(c.fetchall())
conn.commit()
conn.close()
---------------------------------
[('Corey', 'Schafer', 50000), ('Mary', 'Schafer', 70000)]
---------------------------------
==========================================
import sqlite3
from employee import Employee
conn = sqlite3.connect('employee.db')
c = conn.cursor()
emp_1 = Employee('John', 'Doe', 80000)
emp_2 = Employee('Jane', 'Doe', 90000)
print(emp_1.first)
print(emp_1.last)
print(emp_1.pay)
c.execute("SELECT * FROM employees WHERE last='Schafer'")
print(c.fetchall())
conn.commit()
conn.close()
---------------------------------
John
Doe
80000
[('Corey', 'Schafer', 50000), ('Mary', 'Schafer', 70000)]
---------------------------------
==========================================
import sqlite3
from employee import Employee
conn = sqlite3.connect('employee.db')
c = conn.cursor()
emp_1 = Employee('John', 'Doe', 80000)
emp_2 = Employee('Jane', 'Doe', 90000)
# c.execute("INSERT INTO employees VALUES ('{}', '{}', '{})".format(emp_1.first, emp_1.last, emp_1.pay))
c.execute("INSERT INTO employees VALUES (?, ?, ?)", (emp_1.first, emp_1.last, emp_1.pay))
conn.commit()
c.execute("INSERT INTO employees VALUES (:first, :last, :pay)", {'first': emp_2.first, 'last': emp_2.last, 'pay': emp_2.pay})
conn.commit()
c.execute("SELECT * FROM employees WHERE last='Schafer'")
print(c.fetchall())
conn.commit()
conn.close()
---------------------------------
[('Corey', 'Schafer', 50000), ('Mary', 'Schafer', 70000)]
---------------------------------
==========================================
import sqlite3
from employee import Employee
conn = sqlite3.connect('employee.db')
c = conn.cursor()
emp_1 = Employee('John', 'Doe', 80000)
emp_2 = Employee('Jane', 'Doe', 90000)
c.execute("SELECT * FROM employees WHERE last=?", ('Schafer',))
print(c.fetchall())
c.execute("SELECT * FROM employees WHERE last=:last", {'last': 'Doe'})
print(c.fetchall())
conn.commit()
conn.close()
---------------------------------
[('Corey', 'Schafer', 50000), ('Mary', 'Schafer', 70000)]
[('John', 'Doe', 80000), ('Jane', 'Doe', 90000)]
---------------------------------
==========================================
import sqlite3
from employee import Employee
conn = sqlite3.connect(':memory:')
c = conn.cursor()
c.execute("""CREATE TABLE employees (
first text,
last text,
pay integer
)""")
emp_1 = Employee('John', 'Doe', 80000)
emp_2 = Employee('Jane', 'Doe', 90000)
# c.execute("INSERT INTO employees VALUES ('{}', '{}', '{})".format(emp_1.first, emp_1.last, emp_1.pay))
c.execute("INSERT INTO employees VALUES (?, ?, ?)", (emp_1.first, emp_1.last, emp_1.pay))
conn.commit()
c.execute("INSERT INTO employees VALUES (:first, :last, :pay)", {'first': emp_2.first, 'last': emp_2.last, 'pay': emp_2.pay})
conn.commit()
# c.execute("SELECT * FROM employees WHERE last='Schafer'")
c.execute("SELECT * FROM employees WHERE last=?", ('Schafer',))
print(c.fetchall())
c.execute("SELECT * FROM employees WHERE last=:last", {'last': 'Doe'})
print(c.fetchall())
conn.commit()
conn.close()
---------------------------------
[]
[('John', 'Doe', 80000), ('Jane', 'Doe', 90000)]
---------------------------------
==========================================
import sqlite3
from employee import Employee
conn = sqlite3.connect(':memory:')
c = conn.cursor()
c.execute("""CREATE TABLE employees (
first text,
last text,
pay integer
)""")
def insert_emp(emp):
with conn:
c.execute("INSERT INTO employees VALUES (:first, :last, :pay)", {'first': emp.first, 'last': emp.last, 'pay': emp.pay})
def get_emps_by_name(lastname):
c.execute("SELECT * FROM employees WHERE last=:last", {'last': lastname})
return c.fetchall()
def update_pay(emp, pay):
with conn:
c.execute("""UPDATE employees SET pay = :pay
WHERE first = :first AND last = :last""",
{'first': emp.first, 'last': emp.last, 'pay': pay})
def remove_emp(emp):
with conn:
c.execute("DELETE from employees WHERE first = :first AND last = :last",
{'first': emp.first, 'last': emp.last})
emp_1 = Employee('John', 'Doe', 80000)
emp_2 = Employee('Jane', 'Doe', 90000)
insert_emp(emp_1)
insert_emp(emp_2)
emps = get_emps_by_name('Doe')
print(emps)
update_pay(emp_2, 95000)
remove_emp(emp_1)
emps = get_emps_by_name('Doe')
print(emps)
conn.close()
---------------------------------
[('John', 'Doe', 80000), ('Jane', 'Doe', 90000)]
[('Jane', 'Doe', 95000)]
---------------------------------
** str() vs repr()
==========================================
# The goal of __repr__ is to be unambiguous
# The goal of __str__ is to be readable
==========================================
==========================================
a = [1, 2, 3, 4]
b = 'sample string'
print(str(a))
print(repr(a))
print(str(b))
print(repr(b))
---------------------------------
[1, 2, 3, 4]
[1, 2, 3, 4]
sample string
'sample string'
---------------------------------
==========================================
import datetime
import pytz
a = datetime.datetime.utcnow().replace(tzinfo=pytz.UTC)
b = str(a)
print('str(a): {}'.format(str(a)))
print('str(b): {}'.format(str(b)))
print()
print('repr(a): {}'.format(repr(a)))
print('repr(b): {}'.format(repr(b)))
print()
---------------------------------
str(a): 2020-05-17 01:18:15.230995+00:00
str(b): 2020-05-17 01:18:15.230995+00:00
repr(a): datetime.datetime(2020, 5, 17, 1, 18, 15, 230995, tzinfo=
repr(b): '2020-05-17 01:18:15.230995+00:00'
---------------------------------
** Context Managers - Efficiently Managing Resources
==========================================
class Open_File():
def __init__(self, filename, mode):
self.filename = filename
self.mode = mode
def __enter__(self):
self.file = open(self.filename, self.mode)
return self.file
def __exit__(self, exc_type, exc_val, traceback):
self.file.close()
with Open_File('sample.txt', 'w') as f:
f.write('Testing')
print(f.closed)
---------------------------------
True
---------------------------------
Testing <~~ sample.txt
---------------------------------
==========================================
from contextlib import contextmanager
@contextmanager
def open_file(file, mode):
f = open(file, mode)
yield f
f.close()
with open_file('sample.txt', 'w') as f:
f.write('Hi, LinuxerHAN !!')
print(f.closed)
---------------------------------
True
---------------------------------
Hi, LinuxerHAN !! <~~ sample.txt
---------------------------------
==========================================
import os
from contextlib import contextmanager
cwd = os.getcwd()
os.chdir('Sample-Dir-One')
print(os.listdir())
os.chdir(cwd)
cwd = os.getcwd()
os.chdir('Sample-Dir-Two')
print(os.listdir())
os.chdir(cwd)
---------------------------------
['1-1.txt', '1-2.txt', '1-3.txt']
['2-1.txt', '2-2.txt', '2-3.txt']
---------------------------------
==========================================
import os
from contextlib import contextmanager
@contextmanager
def change_dir(destination):
try:
cwd = os.getcwd()
os.chdir(destination)
yield
finally:
os.chdir(cwd)
with change_dir('Sample-Dir-One'):
print(os.listdir())
with change_dir('Sample-Dir-Two'):
print(os.listdir())
---------------------------------
['1-1.txt', '1-2.txt', '1-3.txt']
['2-1.txt', '2-2.txt', '2-3.txt']
---------------------------------
** Calculate Number of Days, Weeks, or Months to Reach Specific Goals
==========================================
import datetime
import calendar
balance = 5000
interest_rate = 13 * .01
monthly_payment = 500
today = datetime.date.today()
days_in_current_month = calendar.monthrange(today.year, today.month)
print(days_in_current_month)
---------------------------------
(4, 31)
---------------------------------
==========================================
import datetime
import calendar
balance = 5000
interest_rate = 13 * .01
monthly_payment = 500
today = datetime.date.today()
days_in_current_month = calendar.monthrange(today.year, today.month)[1]
print(days_in_current_month)
---------------------------------
31
---------------------------------
==========================================
import datetime
import calendar
balance = 5000
interest_rate = 13 * .01
monthly_payment = 500
today = datetime.date.today()
days_in_current_month = calendar.monthrange(today.year, today.month)[1]
days_till_end_month = days_in_current_month - today.day
print(days_till_end_month)
---------------------------------
14
---------------------------------
==========================================
import datetime
import calendar
balance = 5000
interest_rate = 13 * .01
monthly_payment = 500
today = datetime.date.today()
days_in_current_month = calendar.monthrange(today.year, today.month)[1]
days_till_end_month = days_in_current_month - today.day
start_date = today + datetime.timedelta(days = days_till_end_month + 1)
print(start_date)
---------------------------------
2020-06-01
---------------------------------
==========================================
import datetime
import calendar
balance = 5000
interest_rate = 13 * .01
monthly_payment = 500
today = datetime.date.today()
days_in_current_month = calendar.monthrange(today.year, today.month)[1]
days_till_end_month = days_in_current_month - today.day
start_date = today + datetime.timedelta(days = days_till_end_month + 1)
end_date = start_date
while balance > 0:
interest_charge = (interest_rate / 12) * balance
balance += interest_charge
balance -= monthly_payment
balance = round(balance, 2)
if balance < 0:
balance = 0
# balance = 0 if balance < 0 else round(balance, 2)
print(end_date, balance)
days_in_current_month = calendar.monthrange(end_date.year, end_date.month)[1]
end_date = end_date + datetime.timedelta(days = days_in_current_month)
---------------------------------
2020-06-01 4554.17
2020-07-01 4103.51
2020-08-01 3647.96
2020-09-01 3187.48
2020-10-01 2722.01
2020-11-01 2251.5
2020-12-01 1775.89
2021-01-01 1295.13
2021-02-01 809.16
2021-03-01 317.93
2021-04-01 0
---------------------------------
==========================================
import datetime
import calendar
balance = 10000
interest_rate = 13 * .01
monthly_payment = 500
today = datetime.date.today()
days_in_current_month = calendar.monthrange(today.year, today.month)[1]
days_till_end_month = days_in_current_month - today.day
start_date = today + datetime.timedelta(days = days_till_end_month + 1)
end_date = start_date
while balance > 0:
interest_charge = (interest_rate / 12) * balance
balance += interest_charge
balance -= monthly_payment
balance = round(balance, 2)
if balance < 0:
balance = 0
# balance = 0 if balance < 0 else round(balance, 2)
print(end_date, balance)
days_in_current_month = calendar.monthrange(end_date.year, end_date.month)[1]
end_date = end_date + datetime.timedelta(days = days_in_current_month)
---------------------------------
2020-06-01 9608.33
2020-07-01 9212.42
2020-08-01 8812.22
2020-09-01 8407.69
2020-10-01 7998.77
2020-11-01 7585.42
2020-12-01 7167.6
2021-01-01 6745.25
2021-02-01 6318.32
2021-03-01 5886.77
2021-04-01 5450.54
2021-05-01 5009.59
2021-06-01 4563.86
2021-07-01 4113.3
2021-08-01 3657.86
2021-09-01 3197.49
2021-10-01 2732.13
2021-11-01 2261.73
2021-12-01 1786.23
2022-01-01 1305.58
2022-02-01 819.72
2022-03-01 328.6
2022-04-01 0
---------------------------------
==========================================
import datetime
import calendar
balance = 10000
interest_rate = 13 * .01
monthly_payment = 110
today = datetime.date.today()
days_in_current_month = calendar.monthrange(today.year, today.month)[1]
days_till_end_month = days_in_current_month - today.day
start_date = today + datetime.timedelta(days = days_till_end_month + 1)
end_date = start_date
while balance > 0:
interest_charge = (interest_rate / 12) * balance
balance += interest_charge
balance -= monthly_payment
balance = round(balance, 2)
if balance < 0:
balance = 0
# balance = 0 if balance < 0 else round(balance, 2)
print(end_date, balance)
days_in_current_month = calendar.monthrange(end_date.year, end_date.month)[1]
end_date = end_date + datetime.timedelta(days = days_in_current_month)
---------------------------------
2020-06-01 9998.33
2020-07-01 9996.65
2020-08-01 9994.95
2020-09-01 9993.23
2020-10-01 9991.49
2020-11-01 9989.73
2020-12-01 9987.95
2021-01-01 9986.15
2021-02-01 9984.33
2021-03-01 9982.49
2021-04-01 9980.63
2021-05-01 9978.75
2021-06-01 9976.85
2021-07-01 9974.93
2021-08-01 9972.99
2021-09-01 9971.03
2021-10-01 9969.05
2021-11-01 9967.05
2021-12-01 9965.03
2022-01-01 9962.98
2022-02-01 9960.91
2022-03-01 9958.82
2022-04-01 9956.71
2022-05-01 9954.57
2022-06-01 9952.41
2022-07-01 9950.23
2022-08-01 9948.02
2022-09-01 9945.79
2022-10-01 9943.54
2022-11-01 9941.26
2022-12-01 9938.96
2023-01-01 9936.63
2023-02-01 9934.28
2023-03-01 9931.9
2023-04-01 9929.5
2023-05-01 9927.07
2023-06-01 9924.61
2023-07-01 9922.13
2023-08-01 9919.62
2023-09-01 9917.08
2023-10-01 9914.52
2023-11-01 9911.93
2023-12-01 9909.31
2024-01-01 9906.66
2024-02-01 9903.98
2024-03-01 9901.27
2024-04-01 9898.53
2024-05-01 9895.76
2024-06-01 9892.96
2024-07-01 9890.13
2024-08-01 9887.27
2024-09-01 9884.38
2024-10-01 9881.46
2024-11-01 9878.51
2024-12-01 9875.53
2025-01-01 9872.51
2025-02-01 9869.46
2025-03-01 9866.38
2025-04-01 9863.27
2025-05-01 9860.12
2025-06-01 9856.94
2025-07-01 9853.72
2025-08-01 9850.47
2025-09-01 9847.18
2025-10-01 9843.86
2025-11-01 9840.5
2025-12-01 9837.11
2026-01-01 9833.68
2026-02-01 9830.21
2026-03-01 9826.7
2026-04-01 9823.16
2026-05-01 9819.58
2026-06-01 9815.96
2026-07-01 9812.3
2026-08-01 9808.6
2026-09-01 9804.86
2026-10-01 9801.08
2026-11-01 9797.26
2026-12-01 9793.4
2027-01-01 9789.5
2027-02-01 9785.55
2027-03-01 9781.56
2027-04-01 9777.53
2027-05-01 9773.45
2027-06-01 9769.33
2027-07-01 9765.16
2027-08-01 9760.95
2027-09-01 9756.69
2027-10-01 9752.39
2027-11-01 9748.04
2027-12-01 9743.64
2028-01-01 9739.2
2028-02-01 9734.71
2028-03-01 9730.17
2028-04-01 9725.58
2028-05-01 9720.94
2028-06-01 9716.25
2028-07-01 9711.51
2028-08-01 9706.72
2028-09-01 9701.88
2028-10-01 9696.98
2028-11-01 9692.03
2028-12-01 9687.03
2029-01-01 9681.97
2029-02-01 9676.86
2029-03-01 9671.69
2029-04-01 9666.47
2029-05-01 9661.19
2029-06-01 9655.85
2029-07-01 9650.46
2029-08-01 9645.01
2029-09-01 9639.5
2029-10-01 9633.93
2029-11-01 9628.3
2029-12-01 9622.61
2030-01-01 9616.85
2030-02-01 9611.03
2030-03-01 9605.15
2030-04-01 9599.21
2030-05-01 9593.2
2030-06-01 9587.13
2030-07-01 9580.99
2030-08-01 9574.78
2030-09-01 9568.51
2030-10-01 9562.17
2030-11-01 9555.76
2030-12-01 9549.28
2031-01-01 9542.73
2031-02-01 9536.11
2031-03-01 9529.42
2031-04-01 9522.66
2031-05-01 9515.82
2031-06-01 9508.91
2031-07-01 9501.92
2031-08-01 9494.86
2031-09-01 9487.72
2031-10-01 9480.5
2031-11-01 9473.21
2031-12-01 9465.84
2032-01-01 9458.39
2032-02-01 9450.86
2032-03-01 9443.24
2032-04-01 9435.54
2032-05-01 9427.76
2032-06-01 9419.89
2032-07-01 9411.94
2032-08-01 9403.9
2032-09-01 9395.78
2032-10-01 9387.57
2032-11-01 9379.27
2032-12-01 9370.88
2033-01-01 9362.4
2033-02-01 9353.83
2033-03-01 9345.16
2033-04-01 9336.4
2033-05-01 9327.54
2033-06-01 9318.59
2033-07-01 9309.54
2033-08-01 9300.39
2033-09-01 9291.14
2033-10-01 9281.79
2033-11-01 9272.34
2033-12-01 9262.79
2034-01-01 9253.14
2034-02-01 9243.38
2034-03-01 9233.52
2034-04-01 9223.55
2034-05-01 9213.47
2034-06-01 9203.28
2034-07-01 9192.98
2034-08-01 9182.57
2034-09-01 9172.05
2034-10-01 9161.41
2034-11-01 9150.66
2034-12-01 9139.79
2035-01-01 9128.8
2035-02-01 9117.7
2035-03-01 9106.48
2035-04-01 9095.13
2035-05-01 9083.66
2035-06-01 9072.07
2035-07-01 9060.35
2035-08-01 9048.5
2035-09-01 9036.53
2035-10-01 9024.43
2035-11-01 9012.19
2035-12-01 8999.82
2036-01-01 8987.32
2036-02-01 8974.68
2036-03-01 8961.91
2036-04-01 8949.0
2036-05-01 8935.95
2036-06-01 8922.76
2036-07-01 8909.42
2036-08-01 8895.94
2036-09-01 8882.31
2036-10-01 8868.54
2036-11-01 8854.62
2036-12-01 8840.55
2037-01-01 8826.32
2037-02-01 8811.94
2037-03-01 8797.4
2037-04-01 8782.71
2037-05-01 8767.86
2037-06-01 8752.85
2037-07-01 8737.67
2037-08-01 8722.33
2037-09-01 8706.82
2037-10-01 8691.14
2037-11-01 8675.29
2037-12-01 8659.27
2038-01-01 8643.08
2038-02-01 8626.71
2038-03-01 8610.17
2038-04-01 8593.45
2038-05-01 8576.55
2038-06-01 8559.46
2038-07-01 8542.19
2038-08-01 8524.73
2038-09-01 8507.08
2038-10-01 8489.24
2038-11-01 8471.21
2038-12-01 8452.98
2039-01-01 8434.55
2039-02-01 8415.92
2039-03-01 8397.09
2039-04-01 8378.06
2039-05-01 8358.82
2039-06-01 8339.37
2039-07-01 8319.71
2039-08-01 8299.84
2039-09-01 8279.75
2039-10-01 8259.45
2039-11-01 8238.93
2039-12-01 8218.19
2040-01-01 8197.22
2040-02-01 8176.02
2040-03-01 8154.59
2040-04-01 8132.93
2040-05-01 8111.04
2040-06-01 8088.91
2040-07-01 8066.54
2040-08-01 8043.93
2040-09-01 8021.07
2040-10-01 7997.96
2040-11-01 7974.6
2040-12-01 7950.99
2041-01-01 7927.13
2041-02-01 7903.01
2041-03-01 7878.63
2041-04-01 7853.98
2041-05-01 7829.06
2041-06-01 7803.87
2041-07-01 7778.41
2041-08-01 7752.68
2041-09-01 7726.67
2041-10-01 7700.38
2041-11-01 7673.8
2041-12-01 7646.93
2042-01-01 7619.77
2042-02-01 7592.32
2042-03-01 7564.57
2042-04-01 7536.52
2042-05-01 7508.17
2042-06-01 7479.51
2042-07-01 7450.54
2042-08-01 7421.25
2042-09-01 7391.65
2042-10-01 7361.73
2042-11-01 7331.48
2042-12-01 7300.9
2043-01-01 7269.99
2043-02-01 7238.75
2043-03-01 7207.17
2043-04-01 7175.25
2043-05-01 7142.98
2043-06-01 7110.36
2043-07-01 7077.39
2043-08-01 7044.06
2043-09-01 7010.37
2043-10-01 6976.32
2043-11-01 6941.9
2043-12-01 6907.1
2044-01-01 6871.93
2044-02-01 6836.38
2044-03-01 6800.44
2044-04-01 6764.11
2044-05-01 6727.39
2044-06-01 6690.27
2044-07-01 6652.75
2044-08-01 6614.82
2044-09-01 6576.48
2044-10-01 6537.73
2044-11-01 6498.56
2044-12-01 6458.96
2045-01-01 6418.93
2045-02-01 6378.47
2045-03-01 6337.57
2045-04-01 6296.23
2045-05-01 6254.44
2045-06-01 6212.2
2045-07-01 6169.5
2045-08-01 6126.34
2045-09-01 6082.71
2045-10-01 6038.61
2045-11-01 5994.03
2045-12-01 5948.97
2046-01-01 5903.42
2046-02-01 5857.37
2046-03-01 5810.82
2046-04-01 5763.77
2046-05-01 5716.21
2046-06-01 5668.14
2046-07-01 5619.54
2046-08-01 5570.42
2046-09-01 5520.77
2046-10-01 5470.58
2046-11-01 5419.84
2046-12-01 5368.55
2047-01-01 5316.71
2047-02-01 5264.31
2047-03-01 5211.34
2047-04-01 5157.8
2047-05-01 5103.68
2047-06-01 5048.97
2047-07-01 4993.67
2047-08-01 4937.77
2047-09-01 4881.26
2047-10-01 4824.14
2047-11-01 4766.4
2047-12-01 4708.04
2048-01-01 4649.04
2048-02-01 4589.4
2048-03-01 4529.12
2048-04-01 4468.19
2048-05-01 4406.6
2048-06-01 4344.34
2048-07-01 4281.4
2048-08-01 4217.78
2048-09-01 4153.47
2048-10-01 4088.47
2048-11-01 4022.76
2048-12-01 3956.34
2049-01-01 3889.2
2049-02-01 3821.33
2049-03-01 3752.73
2049-04-01 3683.38
2049-05-01 3613.28
2049-06-01 3542.42
2049-07-01 3470.8
2049-08-01 3398.4
2049-09-01 3325.22
2049-10-01 3251.24
2049-11-01 3176.46
2049-12-01 3100.87
2050-01-01 3024.46
2050-02-01 2947.22
2050-03-01 2869.15
2050-04-01 2790.23
2050-05-01 2710.46
2050-06-01 2629.82
2050-07-01 2548.31
2050-08-01 2465.92
2050-09-01 2382.63
2050-10-01 2298.44
2050-11-01 2213.34
2050-12-01 2127.32
2051-01-01 2040.37
2051-02-01 1952.47
2051-03-01 1863.62
2051-04-01 1773.81
2051-05-01 1683.03
2051-06-01 1591.26
2051-07-01 1498.5
2051-08-01 1404.73
2051-09-01 1309.95
2051-10-01 1214.14
2051-11-01 1117.29
2051-12-01 1019.39
2052-01-01 920.43
2052-02-01 820.4
2052-03-01 719.29
2052-04-01 617.08
2052-05-01 513.77
2052-06-01 409.34
2052-07-01 303.77
2052-08-01 197.06
2052-09-01 89.19
2052-10-01 0
---------------------------------
==========================================
import datetime
current_weight = 220
goal_weight = 180
avg_lbs_week = 1.5
start_date = datetime.date.today()
end_date = start_date
while current_weight > goal_weight:
end_date += datetime.timedelta(days = 7)
current_weight -= avg_lbs_week
print(f'Reached goal in {(end_date - start_date).days // 7} weeks')
---------------------------------
Reached goal in 27 weeks
---------------------------------
==========================================
import datetime
current_weight = 220
goal_weight = 180
avg_lbs_week = 1.5
start_date = datetime.date.today()
end_date = start_date
while current_weight > goal_weight:
end_date += datetime.timedelta(days = 7)
current_weight -= avg_lbs_week
print(end_date)
print(f'Reached goal in {(end_date - start_date).days // 7} weeks')
---------------------------------
2020-11-22
Reached goal in 27 weeks
---------------------------------
==========================================
import datetime
current_weight = 220
goal_weight = 180
avg_lbs_week = 2
start_date = datetime.date.today()
end_date = start_date
while current_weight > goal_weight:
end_date += datetime.timedelta(days = 7)
current_weight -= avg_lbs_week
print(end_date)
print(f'Reached goal in {(end_date - start_date).days // 7} weeks')
---------------------------------
2020-10-04
Reached goal in 20 weeks
---------------------------------
==========================================
import datetime
import math
goal_subs = 100000
current_subs = 85000
subs_to_go = goal_subs - current_subs
avg_subs_day = 200
days_to_go = math.ceil(subs_to_go / avg_subs_day)
today = datetime.date.today()
print(today + datetime.timedelta(days = days_to_go))
---------------------------------
2020-07-31
---------------------------------
==========================================
import datetime
import math
goal_subs = 150000
current_subs = 85000
subs_to_go = goal_subs - current_subs
avg_subs_day = 200
days_to_go = math.ceil(subs_to_go / avg_subs_day)
today = datetime.date.today()
print(today + datetime.timedelta(days = days_to_go))
---------------------------------
2021-04-07
---------------------------------
** Working with JSON Data using the json Module
==========================================
''' JavaScript Object Notation '''
import json
people_string = '''
{
"people": [
{
"name": "John Smith",
"phone": "615-555-7164",
"emails": ["johnsmith@bogusemail.com", "john.smith@work-place.com"],
"has_license": false
},
{
"name" : "Jane Doe",
"phone": "560-555-5153",
"emails": null,
"has_license": true
}
]
}
'''
data = json.loads(people_string)
print(data)
print()
print(type(data))
print()
print(type(data['people']))
---------------------------------
{'people': [{'name': 'John Smith', 'phone': '615-555-7164', 'emails': ['johnsmith@bogusemail.com', 'john.smith@work-place.com'], 'has_license': False}, {'name': 'Jane Doe', 'phone': '560-555-5153', 'emails': None, 'has_license': True}]}
class 'dict'
class 'list'
---------------------------------
==========================================
https://docs.python.org/3/library/json.html
==========================================
''' JavaScript Object Notation '''
import json
people_string = '''
{
"people": [
{
"name": "John Smith",
"phone": "615-555-7164",
"emails": ["johnsmith@bogusemail.com", "john.smith@work-place.com"],
"has_license": false
},
{
"name" : "Jane Doe",
"phone": "560-555-5153",
"emails": null,
"has_license": true
}
]
}
'''
data = json.loads(people_string)
for person in data['people']:
print(person)
---------------------------------
{'name': 'John Smith', 'phone': '615-555-7164', 'emails': ['johnsmith@bogusemail.com', 'john.smith@work-place.com'], 'has_license': False}
{'name': 'Jane Doe', 'phone': '560-555-5153', 'emails': None, 'has_license': True}
---------------------------------
==========================================
''' JavaScript Object Notation '''
import json
people_string = '''
{
"people": [
{
"name": "John Smith",
"phone": "615-555-7164",
"emails": ["johnsmith@bogusemail.com", "john.smith@work-place.com"],
"has_license": false
},
{
"name" : "Jane Doe",
"phone": "560-555-5153",
"emails": null,
"has_license": true
}
]
}
'''
data = json.loads(people_string)
for person in data['people']:
print(person['name'])
---------------------------------
John Smith
Jane Doe
---------------------------------
==========================================
''' JavaScript Object Notation '''
import json
people_string = '''
{
"people": [
{
"name": "John Smith",
"phone": "615-555-7164",
"emails": ["johnsmith@bogusemail.com", "john.smith@work-place.com"],
"has_license": false
},
{
"name" : "Jane Doe",
"phone": "560-555-5153",
"emails": null,
"has_license": true
}
]
}
'''
data = json.loads(people_string)
for person in data['people']:
del person['phone']
new_string = json.dumps(data)
print(new_string)
---------------------------------
{"people": [{"name": "John Smith", "emails": ["johnsmith@bogusemail.com", "john.smith@work-place.com"], "has_license": false}, {"name": "Jane Doe", "emails": null, "has_license": true}]}
---------------------------------
==========================================
''' JavaScript Object Notation '''
import json
people_string = '''
{
"people": [
{
"name": "John Smith",
"phone": "615-555-7164",
"emails": ["johnsmith@bogusemail.com", "john.smith@work-place.com"],
"has_license": false
},
{
"name" : "Jane Doe",
"phone": "560-555-5153",
"emails": null,
"has_license": true
}
]
}
'''
data = json.loads(people_string)
for person in data['people']:
del person['phone']
new_string = json.dumps(data, indent = 2)
print(new_string)
---------------------------------
{
"people": [
{
"name": "John Smith",
"emails": [
"johnsmith@bogusemail.com",
"john.smith@work-place.com"
],
"has_license": false
},
{
"name": "Jane Doe",
"emails": null,
"has_license": true
}
]
}
---------------------------------
==========================================
''' JavaScript Object Notation '''
import json
people_string = '''
{
"people": [
{
"name": "John Smith",
"phone": "615-555-7164",
"emails": ["johnsmith@bogusemail.com", "john.smith@work-place.com"],
"has_license": false
},
{
"name" : "Jane Doe",
"phone": "560-555-5153",
"emails": null,
"has_license": true
}
]
}
'''
data = json.loads(people_string)
for person in data['people']:
del person['phone']
new_string = json.dumps(data, indent = 2, sort_keys = True)
print(new_string)
---------------------------------
{
"people": [
{
"emails": [
"johnsmith@bogusemail.com",
"john.smith@work-place.com"
],
"has_license": false,
"name": "John Smith"
},
{
"emails": null,
"has_license": true,
"name": "Jane Doe"
}
]
}
---------------------------------
==========================================
''' JavaScript Object Notation '''
import json
with open('states.json') as f:
data = json.load(f)
for state in data['states']:
print(state)
---------------------------------
{'name': 'Alabama', 'abbreviation': 'AL', 'area_codes': ['205', '251', '256', '334', '938']}
{'name': 'Alaska', 'abbreviation': 'AK', 'area_codes': ['907']}
{'name': 'Arizona', 'abbreviation': 'AZ', 'area_codes': ['480', '520', '602', '623', '928']}
{'name': 'Arkansas', 'abbreviation': 'AR', 'area_codes': ['479', '501', '870']}
{'name': 'California', 'abbreviation': 'CA', 'area_codes': ['209', '213', '310', '323', '408', '415', '424', '442', '510', '530', '559', '562', '619', '626', '628', '650', '657', '661', '669', '707', '714', '747', '760', '805', '818', '831', '858', '909', '916', '925', '949', '951']}
{'name': 'Colorado', 'abbreviation': 'CO', 'area_codes': ['303', '719', '720', '970']}
{'name': 'Connecticut', 'abbreviation': 'CT', 'area_codes': ['203', '475', '860', '959']}
{'name': 'Delaware', 'abbreviation': 'DE', 'area_codes': ['302']}
{'name': 'Florida', 'abbreviation': 'FL', 'area_codes': ['239', '305', '321', '352', '386', '407', '561', '727', '754', '772', '786', '813', '850', '863', '904', '941', '954']}
{'name': 'Georgia', 'abbreviation': 'GA', 'area_codes': ['229', '404', '470', '478', '678', '706', '762', '770', '912']}
{'name': 'Hawaii', 'abbreviation': 'HI', 'area_codes': ['808']}
{'name': 'Idaho', 'abbreviation': 'ID', 'area_codes': ['208']}
{'name': 'Illinois', 'abbreviation': 'IL', 'area_codes': ['217', '224', '309', '312', '331', '618', '630', '708', '773', '779', '815', '847', '872']}
{'name': 'Indiana', 'abbreviation': 'IN', 'area_codes': ['219', '260', '317', '463', '574', '765', '812', '930']}
{'name': 'Iowa', 'abbreviation': 'IA', 'area_codes': ['319', '515', '563', '641', '712']}
{'name': 'Kansas', 'abbreviation': 'KS', 'area_codes': ['316', '620', '785', '913']}
{'name': 'Kentucky', 'abbreviation': 'KY', 'area_codes': ['270', '364', '502', '606', '859']}
{'name': 'Louisiana', 'abbreviation': 'LA', 'area_codes': ['225', '318', '337', '504', '985']}
{'name': 'Maine', 'abbreviation': 'ME', 'area_codes': ['207']}
{'name': 'Maryland', 'abbreviation': 'MD', 'area_codes': ['240', '301', '410', '443', '667']}
{'name': 'Massachusetts', 'abbreviation': 'MA', 'area_codes': ['339', '351', '413', '508', '617', '774', '781', '857', '978']}
{'name': 'Michigan', 'abbreviation': 'MI', 'area_codes': ['231', '248', '269', '313', '517', '586', '616', '734', '810', '906', '947', '989']}
{'name': 'Minnesota', 'abbreviation': 'MN', 'area_codes': ['218', '320', '507', '612', '651', '763', '952']}
{'name': 'Mississippi', 'abbreviation': 'MS', 'area_codes': ['228', '601', '662', '769']}
{'name': 'Missouri', 'abbreviation': 'MO', 'area_codes': ['314', '417', '573', '636', '660', '816']}
{'name': 'Montana', 'abbreviation': 'MT', 'area_codes': ['406']}
{'name': 'Nebraska', 'abbreviation': 'NE', 'area_codes': ['308', '402', '531']}
{'name': 'Nevada', 'abbreviation': 'NV', 'area_codes': ['702', '725', '775']}
{'name': 'New Hampshire', 'abbreviation': 'NH', 'area_codes': ['603']}
{'name': 'New Jersey', 'abbreviation': 'NJ', 'area_codes': ['201', '551', '609', '732', '848', '856', '862', '908', '973']}
{'name': 'New Mexico', 'abbreviation': 'NM', 'area_codes': ['505', '575']}
{'name': 'New York', 'abbreviation': 'NY', 'area_codes': ['212', '315', '332', '347', '516', '518', '585', '607', '631', '646', '680', '716', '718', '845', '914', '917', '929', '934']}
{'name': 'North Carolina', 'abbreviation': 'NC', 'area_codes': ['252', '336', '704', '743', '828', '910', '919', '980', '984']}
{'name': 'North Dakota', 'abbreviation': 'ND', 'area_codes': ['701']}
{'name': 'Ohio', 'abbreviation': 'OH', 'area_codes': ['216', '220', '234', '330', '380', '419', '440', '513', '567', '614', '740', '937']}
{'name': 'Oklahoma', 'abbreviation': 'OK', 'area_codes': ['405', '539', '580', '918']}
{'name': 'Oregon', 'abbreviation': 'OR', 'area_codes': ['458', '503', '541', '971']}
{'name': 'Pennsylvania', 'abbreviation': 'PA', 'area_codes': ['215', '267', '272', '412', '484', '570', '610', '717', '724', '814', '878']}
{'name': 'Rhode Island', 'abbreviation': 'RI', 'area_codes': ['401']}
{'name': 'South Carolina', 'abbreviation': 'SC', 'area_codes': ['803', '843', '854', '864']}
{'name': 'South Dakota', 'abbreviation': 'SD', 'area_codes': ['605']}
{'name': 'Tennessee', 'abbreviation': 'TN', 'area_codes': ['423', '615', '629', '731', '865', '901', '931']}
{'name': 'Texas', 'abbreviation': 'TX', 'area_codes': ['210', '214', '254', '281', '325', '346', '361', '409', '430', '432', '469', '512', '682', '713', '737', '806', '817', '830', '832', '903', '915', '936', '940', '956', '972', '979']}
{'name': 'Utah', 'abbreviation': 'UT', 'area_codes': ['385', '435', '801']}
{'name': 'Vermont', 'abbreviation': 'VT', 'area_codes': ['802']}
{'name': 'Virginia', 'abbreviation': 'VA', 'area_codes': ['276', '434', '540', '571', '703', '757', '804']}
{'name': 'Washington', 'abbreviation': 'WA', 'area_codes': ['206', '253', '360', '425', '509']}
{'name': 'West Virginia', 'abbreviation': 'WV', 'area_codes': ['304', '681']}
{'name': 'Wisconsin', 'abbreviation': 'WI', 'area_codes': ['262', '414', '534', '608', '715', '920']}
{'name': 'Wyoming', 'abbreviation': 'WY', 'area_codes': ['307']}
---------------------------------
==========================================
''' JavaScript Object Notation '''
import json
with open('states.json') as f:
data = json.load(f)
for state in data['states']:
print(state['name'], state['abbreviation'])
---------------------------------
Alabama AL
Alaska AK
Arizona AZ
Arkansas AR
California CA
Colorado CO
Connecticut CT
Delaware DE
Florida FL
Georgia GA
Hawaii HI
Idaho ID
Illinois IL
Indiana IN
Iowa IA
Kansas KS
Kentucky KY
Louisiana LA
Maine ME
Maryland MD
Massachusetts MA
Michigan MI
Minnesota MN
Mississippi MS
Missouri MO
Montana MT
Nebraska NE
Nevada NV
New Hampshire NH
New Jersey NJ
New Mexico NM
New York NY
North Carolina NC
North Dakota ND
Ohio OH
Oklahoma OK
Oregon OR
Pennsylvania PA
Rhode Island RI
South Carolina SC
South Dakota SD
Tennessee TN
Texas TX
Utah UT
Vermont VT
Virginia VA
Washington WA
West Virginia WV
Wisconsin WI
Wyoming WY
---------------------------------
==========================================
''' JavaScript Object Notation '''
import json
with open('states.json') as f:
data = json.load(f)
for state in data['states']:
del state['area_codes']
with open('new_states.json', 'w') as f:
json.dump(data, f)
---------------------------------
{"states": [{"name": "Alabama", "abbreviation": "AL"}, {"name": "Alaska", "abbreviation": "AK"}, {"name": "Arizona", "abbreviation": "AZ"}, {"name": "Arkansas", "abbreviation": "AR"}, {"name": "California", "abbreviation": "CA"}, {"name": "Colorado", "abbreviation": "CO"}, {"name": "Connecticut", "abbreviation": "CT"}, {"name": "Delaware", "abbreviation": "DE"}, {"name": "Florida", "abbreviation": "FL"}, {"name": "Georgia", "abbreviation": "GA"}, {"name": "Hawaii", "abbreviation": "HI"}, {"name": "Idaho", "abbreviation": "ID"}, {"name": "Illinois", "abbreviation": "IL"}, {"name": "Indiana", "abbreviation": "IN"}, {"name": "Iowa", "abbreviation": "IA"}, {"name": "Kansas", "abbreviation": "KS"}, {"name": "Kentucky", "abbreviation": "KY"}, {"name": "Louisiana", "abbreviation": "LA"}, {"name": "Maine", "abbreviation": "ME"}, {"name": "Maryland", "abbreviation": "MD"}, {"name": "Massachusetts", "abbreviation": "MA"}, {"name": "Michigan", "abbreviation": "MI"}, {"name": "Minnesota", "abbreviation": "MN"}, {"name": "Mississippi", "abbreviation": "MS"}, {"name": "Missouri", "abbreviation": "MO"}, {"name": "Montana", "abbreviation": "MT"}, {"name": "Nebraska", "abbreviation": "NE"}, {"name": "Nevada", "abbreviation": "NV"}, {"name": "New Hampshire", "abbreviation": "NH"}, {"name": "New Jersey", "abbreviation": "NJ"}, {"name": "New Mexico", "abbreviation": "NM"}, {"name": "New York", "abbreviation": "NY"}, {"name": "North Carolina", "abbreviation": "NC"}, {"name": "North Dakota", "abbreviation": "ND"}, {"name": "Ohio", "abbreviation": "OH"}, {"name": "Oklahoma", "abbreviation": "OK"}, {"name": "Oregon", "abbreviation": "OR"}, {"name": "Pennsylvania", "abbreviation": "PA"}, {"name": "Rhode Island", "abbreviation": "RI"}, {"name": "South Carolina", "abbreviation": "SC"}, {"name": "South Dakota", "abbreviation": "SD"}, {"name": "Tennessee", "abbreviation": "TN"}, {"name": "Texas", "abbreviation": "TX"}, {"name": "Utah", "abbreviation": "UT"}, {"name": "Vermont", "abbreviation": "VT"}, {"name": "Virginia", "abbreviation": "VA"}, {"name": "Washington", "abbreviation": "WA"}, {"name": "West Virginia", "abbreviation": "WV"}, {"name": "Wisconsin", "abbreviation": "WI"}, {"name": "Wyoming", "abbreviation": "WY"}]}
---------------------------------
==========================================
''' JavaScript Object Notation '''
import json
with open('states.json') as f:
data = json.load(f)
for state in data['states']:
del state['area_codes']
with open('new_states.json', 'w') as f:
json.dump(data, f, indent = 2)
---------------------------------
{
"states": [
{
"name": "Alabama",
"abbreviation": "AL"
},
{
"name": "Alaska",
"abbreviation": "AK"
},
{
"name": "Arizona",
"abbreviation": "AZ"
},
{
"name": "Arkansas",
"abbreviation": "AR"
},
{
"name": "California",
"abbreviation": "CA"
},
{
"name": "Colorado",
"abbreviation": "CO"
},
{
"name": "Connecticut",
"abbreviation": "CT"
},
{
"name": "Delaware",
"abbreviation": "DE"
},
{
"name": "Florida",
"abbreviation": "FL"
},
{
"name": "Georgia",
"abbreviation": "GA"
},
{
"name": "Hawaii",
"abbreviation": "HI"
},
{
"name": "Idaho",
"abbreviation": "ID"
},
{
"name": "Illinois",
"abbreviation": "IL"
},
{
"name": "Indiana",
"abbreviation": "IN"
},
{
"name": "Iowa",
"abbreviation": "IA"
},
{
"name": "Kansas",
"abbreviation": "KS"
},
{
"name": "Kentucky",
"abbreviation": "KY"
},
{
"name": "Louisiana",
"abbreviation": "LA"
},
{
"name": "Maine",
"abbreviation": "ME"
},
{
"name": "Maryland",
"abbreviation": "MD"
},
{
"name": "Massachusetts",
"abbreviation": "MA"
},
{
"name": "Michigan",
"abbreviation": "MI"
},
{
"name": "Minnesota",
"abbreviation": "MN"
},
{
"name": "Mississippi",
"abbreviation": "MS"
},
{
"name": "Missouri",
"abbreviation": "MO"
},
{
"name": "Montana",
"abbreviation": "MT"
},
{
"name": "Nebraska",
"abbreviation": "NE"
},
{
"name": "Nevada",
"abbreviation": "NV"
},
{
"name": "New Hampshire",
"abbreviation": "NH"
},
{
"name": "New Jersey",
"abbreviation": "NJ"
},
{
"name": "New Mexico",
"abbreviation": "NM"
},
{
"name": "New York",
"abbreviation": "NY"
},
{
"name": "North Carolina",
"abbreviation": "NC"
},
{
"name": "North Dakota",
"abbreviation": "ND"
},
{
"name": "Ohio",
"abbreviation": "OH"
},
{
"name": "Oklahoma",
"abbreviation": "OK"
},
{
"name": "Oregon",
"abbreviation": "OR"
},
{
"name": "Pennsylvania",
"abbreviation": "PA"
},
{
"name": "Rhode Island",
"abbreviation": "RI"
},
{
"name": "South Carolina",
"abbreviation": "SC"
},
{
"name": "South Dakota",
"abbreviation": "SD"
},
{
"name": "Tennessee",
"abbreviation": "TN"
},
{
"name": "Texas",
"abbreviation": "TX"
},
{
"name": "Utah",
"abbreviation": "UT"
},
{
"name": "Vermont",
"abbreviation": "VT"
},
{
"name": "Virginia",
"abbreviation": "VA"
},
{
"name": "Washington",
"abbreviation": "WA"
},
{
"name": "West Virginia",
"abbreviation": "WV"
},
{
"name": "Wisconsin",
"abbreviation": "WI"
},
{
"name": "Wyoming",
"abbreviation": "WY"
}
]
}
---------------------------------
==========================================
import json
from urllib.request import urlopen
with urlopen("https://finance.yahoo.com/?format=json") as response:
source = response.read()
print(source)
data = json.loads(source)
print(json.dumps(data, indent=2))
---------------------------------
