按字符串的长度对列表进行排序 [英] Sort a list of strings by their lengths

问题描述

words = ["dog", "apple", "bear"]
def len_words(words):
        w1 = []
      for p in words:
          w1.append(len(p))
          pass
for p in words:
       words.sort(key=len_words)

我试图按此代码排序.但是我的结果是与给定输入相同的列表.没有排序.

I tried to sort by this code. But my result is the same list as given input. It isn't sorted.

推荐答案

这应该有效:

words = ["dog", "apple", "bear"]    
words.sort(key=len)

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