Python - Decorators

Question

I\'m trying to learn Decorators . I understood the concept of it and now trying to implement it.

Here is the code that I\'ve written The code is se

Answer 1

this might work.

def wrapper(func):
    def inner(*args,**kwargs):
        if ((args[0] is int) and (args[1] is int)): pass
        else: return 'invalid values'
    return inner
@wrapper
def add(x,y):
    return x+y
print add('a',2)