对于字符串索引,有没有一种不使用len()就能切到字符串末尾的方法?负索引从末尾开始,但-1省略最后一个字符。
word = "Help" word[1:-1] # But I want to grab up to end of string! word[1:len(word)] # Works but is there anything better?
https://stackoverflow.com/questions/9757277
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