python decorators

def multiply(*params, **kwparams):
    print('multiply params: ', params, kwparams)
    def decorator(function):
        def wrapper(*args, **kwargs):
            args = list(args)
            print('function params: ', args, kwargs)

            for index, arg in enumerate(args):
                if index < len(params):
                    args[index] *= params[index]

            for key in kwargs:
                if key in kwparams:
                    kwargs[key] *= kwparams[key]

            return function(*args, **kwargs)
        return wrapper
    return decorator

# goal: multiply each param passed to "add" to values passed to decorator, then "add" sums them all
@multiply(4, 5, x=2, y=3)
def add(*args, **kwargs):
    print('add: ', args, kwargs)
    return sum(args + tuple(kwargs.values()))

def multiply(*params, **kwparams):
    print('multiply params: ', params, kwparams)
    def decorator(function):
        def wrapper(*args, **kwargs):
            args = list(args)
            print('function params: ', args, kwargs)

            for index, arg in enumerate(args):
                if index < len(params):
                    args[index] *= params[index]

            for key in kwargs:
                if key in kwparams:
                    kwargs[key] *= kwparams[key]

            return function(*args, **kwargs)
        return wrapper
    return decorator

# goal: multiply each param passed to "add" to values passed to decorator, then "add" sums them all
@multiply(4, 5, x=2, y=3)
def add(*args, **kwargs):
    print('add: ', args, kwargs)
    return sum(args + tuple(kwargs.values()))

print('result: ', add(1, 2, y=6))