from functools import wraps


def dec_with_args(dargs):
    def decorator(func):
        @wraps(func)
        def wrapper(*args, **kwargs):
            result = func(*args, **kwargs)
            return result * dargs

        return wrapper

    return decorator

@dec_with_args(dargs=10)
def sum_num(a,b):
    """ petux doc"""
    return a * b


print(sum_num(5,5))

print(sum_num.__name__,sum_num.__doc__)