Decorators_.py

# def function1():
#     print("Hello World")
#
# func2 = function1
# del function1
# func2()

# def funcret(num):
#     if num==0:
#         return print
#     if num==1:
#         return sum
#
# a = funcret(1)
# print(a)

# def executor(func):
#     func("this")
#
#
# executor(print)

def dec1(func1):
    def nowexec():
        print("Executing now")
        func1()
        print("Executed")
    return nowexec

@dec1
def who_is_arnav():
    print("Arnav is a good boy")

# who_is_arnav = dec1(who_is_arnav)

who_is_arnav()











"""//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////"""
#ANOTHER COMPLEX PROGRAM
def star(func):
    def inner(*args, **kwargs):
        print("*" * 30)
        func(*args, **kwargs)
        print("*" * 30)
    return inner


def percent(func):
    def inner(*args, **kwargs):
        print("%" * 30)
        func(*args, **kwargs)
        print("%" * 30)
    return inner


@star
@percent
def printer(msg):
    print(msg)


printer("Hello")

#HERE'S ANOTHER
def smart_divide(func):
    def inner(a, b):
        print("I am going to divide", a, "and", b)
        if b == 0:
            print("Whoops! cannot divide")
            return

        return func(a, b)
    return inner


@smart_divide
def divide(a, b):
    print(a/b)