python装B系列_assert
python装B系列_assert断言就是满足条件继续执行,不满足条件直接报错(触发 AssertionError 异常)举个例子>>> def i_want_to_sleep(delay): assert(isinstance(delay, (int,float))), '函数参数必须为整数或浮点数' print('开始睡觉') time.sleep(delay)...