示例: 給定一堆數(shù)字 "3,31,34,2", 把它們排列成最大的數(shù)343312 題解:將字符串用逗號拆分虑润，"3,31,34,2" => ["3","31","34","2"...
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python自定義比較函數(shù)
示例: 給定一堆數(shù)字 "3,31,34,2", 把它們排列成最大的數(shù)343312 題解:將字符串用逗號拆分虑润，"3,31,34,2" => ["3","31","34","2"...