字典表的%字符问题 - V2EX
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182247236
V2EX    Python

字典表的%字符问题

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  •   182247236 2016-12-21 17:21:44 +08:00 2305 次点击
    这是一个创建于 3215 天前的主题,其中的信息可能已经有所发展或是发生改变。

    遇到个例子

    phonebook
    {'Alice': '2341', 'Beth': '9102', 'Cecil': '3258'}
    "Cecil's phone number is %(Cecil)s." % phonebook
    "Cecil's phone number is 3258." 原文如下: 在每个转换( conversion specifier )中的 % 字符后面,可以加上用圆括号括起来的键,后面再跟上其他说明元素。

    这段有点看不懂,自己理解

    "%( k ) s"%d 'v' 这里的%和 s 代表什么意思?

    4 条回复    2016-12-22 00:43:17 +08:00
    Sylv
        1
    Sylv  
       2016-12-21 18:29:16 +08:00 via iPhone
    关键词: Python 字符串 格式化
    AyoCross
        2
    AyoCross  
       2016-12-21 20:59:50 +08:00
    "Cecil's phone number is %s." % phonebook[Cecil] # 这样会不会更好理解一点
    182247236
        3
    182247236  
    OP
       2016-12-22 00:42:56 +08:00
    @AyoCross get 到一点了,不过 @Sylv 给了关键词,我还是查查
    182247236
        4
    182247236  
    OP
       2016-12-22 00:43:17 +08:00
    @Sylv 马上去查查
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