python 基础系列13-异常处理

女爷i 2023-07-06 13:10 94阅读 0赞

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手动继承Excetion：

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# python 基础系列13-异常处理
    
    # 引入sys库
    import sys
    import copy
    from functools import reduce
    import os
    
    def func():
        raise Exception('你这个函数不对')
        print('1234')
    
    if __name__ == '__main__':
        #捕获异常
        try:
            #str = 1 / 0
            #myfile = open('1xx.txt','r')
            1/2
        except Exception:
            print('111sssss')
        else:
            print('进入其余。。')
        finally:
            print('收尾工作')
    
    
        #eval函数
        print(eval('[1,2,3,4]')) #[1, 2, 3, 4] 字符串转列表
    
        #手动排除异常,关键字：raise
        func()
    
        #断言

断言：

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