數字與表達式——字符串

一、單引號字符串和轉義字符 "Let's go!" Out[3]: "Let's go!" '"Hello world" she said' Out[4]: '"Hello world" she said' 轉義字符 'Let\'s go' Out[8]: "Let's go" "\"Hello,world\" she said" Out[9]: '"Hello,world" she said'

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