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  • python3实践

     需求

    name = ['wangxiaohua','wangdashu',6,9,9,80,'haha','alex',34,34,'wq',34,9,'dfd',34,9,'weew']
    找出name列表中有多少个9并且全部将9修改成9999
    找出所有的34并且全部删除

     思维导图

     代码

    name = ['wangxiaohua','wangdashu',6,9,9,80,'haha','alex',34,34,'wq',34,9,'dfd',34,9,'weew']
    
    #将name列表中的所有9修改成9999
    for i in  range(name.count(9)):
        position_of_ele = name.index(9)
        name[position_of_ele] = 9999
        print(name)
        
    #删除name列表中的所有34元素
    for i in  range(name.count(34)):
        position_of_ele = name.index(34)
        name.remove(34)
        print(name)
    
    
    #打印结果
    '''
    将全部9修改为9999
    ['wangxiaohua', 'wangdashu', 6, 9999, 9, 80, 'haha', 'alex', 34, 34, 'wq', 34, 9, 'dfd', 34, 9, 'weew']
    ['wangxiaohua', 'wangdashu', 6, 9999, 9999, 80, 'haha', 'alex', 34, 34, 'wq', 34, 9, 'dfd', 34, 9, 'weew']
    ['wangxiaohua', 'wangdashu', 6, 9999, 9999, 80, 'haha', 'alex', 34, 34, 'wq', 34, 9999, 'dfd', 34, 9, 'weew']
    ['wangxiaohua', 'wangdashu', 6, 9999, 9999, 80, 'haha', 'alex', 34, 34, 'wq', 34, 9999, 'dfd', 34, 9999, 'weew']
    
    
    将34元素全部删除
    ['wangxiaohua', 'wangdashu', 6, 9999, 9999, 80, 'haha', 'alex', 34, 'wq', 34, 9999, 'dfd', 34, 9999, 'weew']
    ['wangxiaohua', 'wangdashu', 6, 9999, 9999, 80, 'haha', 'alex', 'wq', 34, 9999, 'dfd', 34, 9999, 'weew']
    ['wangxiaohua', 'wangdashu', 6, 9999, 9999, 80, 'haha', 'alex', 'wq', 9999, 'dfd', 34, 9999, 'weew']
    ['wangxiaohua', 'wangdashu', 6, 9999, 9999, 80, 'haha', 'alex', 'wq', 9999, 'dfd', 9999, 'weew']
    '''
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  • 原文地址:https://www.cnblogs.com/little-turtle/p/6363487.html
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