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疑问

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我在太行山下

#1 Created at ... [Delete] [Delete and Lock User]

{'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9}[s] 这个是什么用法

weaming

#2 Created at ... [Delete] [Delete and Lock User]

同问！！

团子吃蛋挞

#3 Created at ... [Delete] [Delete and Lock User]

我也想问问

懷念那些年沒心沒肺的笑

#4 Created at ... [Delete] [Delete and Lock User]

可以理解为dict[key]，因为map函数可以对字符串进行遍历

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