goyalrohit

import contextlib
import sys
 
@contextlib.contextmanager
def logging_context_manager():
    print('logging_context_manager: enter')
    try:
        yield 'You are in a with-block!'
        print('logging_context_manager: normal exit')
    except Exception:

goyalrohit

def greet(msg):
    return msg.upper()
print greet('Welcome to Functional Programming') 
message = greet
print message('Welcome to Functional Programming')

goyalrohit

def greet(msg):
    return msg.upper()

def speak(msg):
    return msg.lower()

def display(func):
    # storing the function in a variable
    message = func('Welcome to Python Programming.')
    print message

goyalrohit

def addition(i):
    def adds(j):
        return i + j
    return adds

result_add = addition(30)
print result_add(20)

			

goyalrohit

from order import Order
from customer import Customer

def main():
    cust1 = Customer()
    cust1.name = 'Rocky'
    cust1.address = 'Florida'
    cust1.enterprise = False
    cust2 = Customer()
    cust2.name = 'Jenifer'

goyalrohit

class OrderItem:
    name = ''
    itemnumber = ''
    quantity = 0
    price = 0
    backorderd = False

goyalrohit

class Order:
    # class attribute
    orders = []

    # instance attributes
    orderid = 0
    shipping_address = ''
    expedited = False
    shipped = False
    customer = None

goyalrohit

class Customer:
    name = ''
    address = ''
    enterprise = False

goyalrohit

class Order:
    # class attribute
    orders = []

    # instance attributes
    orderid = 0
    shipping_address = ''
    expedited = False
    shipped = False
    customer = None

goyalrohit

class Order:
    # class attribute
    orders = []

    # instance attributes
    orderid = 0
    shipping_address = ''
    expedited = False
    shipped = False
    customer = None