Python3裝飾器之運行時間

def timer(function):
    """
    裝飾器函數timer
    :param function:想要計時的函數
    :return:
    """

    def wrapper(*args, **kwargs):
        time_start = time.time()
        res = function(*args, **kwargs)
        cost_time = time.time() - time_start
        print("【%s】運行時間：【%s】秒" % (function.__name__, cost_time))
        return res

    return wrapper


@timer
def main():
    time.sleep(1)


if __name__ == '__main__':
    main()