decorators in python
'pass function which we want to decorate in decorator callable object' def our_decorator(func): # func is function to be decorated by decorator def wrapper(x): # x is parameter which is passed in func if x%2==0: return func(x) else: raise Exception("number should be even") return wrapper @ our_decorator def func(x): # actual function print(x,"is even") func(2) func(1) ' if you do not want to use @' func=our_decorator(func) func(2)
