In [11]: a = ['a','abasdada','ab','acvv']
In [12]: a.sort(lambda x,y:cmp(len(x),len(y)))
In [13]: a
Out[13]: ['a', 'ab', 'acvv', 'abasdada']
In [11]: a = ['a','abasdada','ab','acvv']
In [12]: a.sort(lambda x,y:cmp(len(x),len(y)))
In [13]: a
Out[13]: ['a', 'ab', 'acvv', 'abasdada']
本文标题：list 里的字符串排序
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