from functools import  wraps

def logger(name_file):

    def decorator(func):
        @wraps(func)
        def wrapper(*args,**qwargs):
            result=func(*args,**qwargs)
            with open(name_file,"w") as f:
                f.write(str(result))
            return result
        return wrapper
    return decorator


@logger(name_file="log.txt")
def summator(num_list):
    print(num_list)
    """Sum a list number"""
    return sum(num_list)


print(summator(list(range(1,10))))

print(summator.__name__)
print(summator.__doc__)