python中实现列表元素的倒序排列


 

1、

>>> a = ["ccc","aaa","ddd","bbb"] ## 利用列表分片 >>> b = a[::-1] >>> b ['bbb', 'ddd', 'aaa', 'ccc']

 

2、

>>> a = ["ccc","aaa","ddd","bbb"] >>> b = [] >>> for i in reversed(a): ## 生成反转跌代体 b.append(i) >>> b ['bbb', 'ddd', 'aaa', 'ccc']

 

3、

>>> a = ["ccc","aaa","ddd","bbb"] >>> a.reverse() ## 原地反转 >>> a ['bbb', 'ddd', 'aaa', 'ccc']

 

4、

>>> a = ["ccc","aaa","ddd","bbb"] >>> b = [] >>> for i in range(len(a)): b.append(a.pop()) ## 利用pop >>> b ['bbb', 'ddd', 'aaa', 'ccc']

 


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