如何按字符串中的第二个单词按字母顺序对列表进行排序 [英] How to sort a list alphabetically by the second word in a string

问题描述

如果我有一个列表，并且想继续向其中添加行，并按其姓氏的字母顺序对它们进行排序，那该怎么办呢? 似乎只按字符串的第一个字母对它们进行了排序.

If I have a list and I want to keep adding lines to it and sorting them alphabetically by their last name, how could this be done? Sorted only seems to rearrange them by the first letter of the string.

    line = "James Edward"   #Example line
    linesList.append("".join(line))   #Add it to a list
    linesList = sorted(linesList)   #Sort alphabetically

推荐答案

linesList.sort(key=lambda s: s.split()[1])

更多信息: https://wiki.python.org/moin/HowTo/Sorting#Key_Functions

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