Python Decorators Example

def my_wrapper(func1):
    def func2(l):
        ll = ''.join(reversed(l))
        func1(ll)
    return func2

@my_wrapper
def my_print(l):
    print(l)

if __name__ == '__main__':
    l = input()
    my_print(l)   # Here func2 returned by my_wrapper is called