8.6. 小试牛刀 ¶

代码示例：
#!/usr/bin/env python
# -*- coding:utf8 -*-
# auther; 18793
# Date：2019/9/8 21:17
# filename: 08.小试牛刀.py

num_list = [5, 0, 73, 0, 16]


class ExceptionNum(object):
    def __init__(self):
        pass

    @staticmethod
    def num_operation():
        # 正常数数组
        normal_num_list = list()

        # 异常数数组
        exp_num_list = list()

        for item in range(len(num_list)):
            if item == len(num_list) - 1:
                divisor_num, dividend_num = num_list[item], num_list[item]
            else:
                # divisor_num除数，dividend_num 被除数
                divisor_num, dividend_num = num_list[item + 1], num_list[item]

            try:
                divisor_num / dividend_num
                rt_str = "第" + str(item + 1) + "个是正常数，值：" + str(num_list[item])
                normal_num_list.append(rt_str)

            except ZeroDivisionError as ex:
                exp_num = SelfDefineError(num_list[item].__int__())
                rt_str = "第" + str(item + 1) + "个是异常数，值：" + str(exp_num)
                exp_num_list.append(rt_str)
                print(SelfDefineError(num_list[item]).__str__())

        return normal_num_list, exp_num_list


class SelfDefineError(Exception):
    def __init__(self, num):
        self.num = num

    def __str__(self):
        return "error info:The dividend num equals zero."

    def __int__(self):
        return self.num


if __name__ == '__main__':
    normal_num_list, exp_num_list = ExceptionNum().num_operation()
    print("正常数数组：{}".format(normal_num_list))
    print("异常数数组：{}".format(exp_num_list))


"""
error info:The dividend num equals zero.
error info:The dividend num equals zero.
正常数数组：['第1个是正常数，值：5', '第3个是正常数，值：73', '第5个是正常数，值：16']
异常数数组：['第2个是异常数，值：error info:The dividend num equals zero.', '第4个是异常数，值：error info:The dividend num equals zero.']
"""
8.6. 小试牛刀¶

8.6. 小试牛刀 ¶
