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# 1.5 翻转数组
## (1). 解题思路
`python`中的列表数组等支持切片操作，并且切片操作中可以指定步长，如果步长为负，则倒着走，这里需要翻转数组，只需要把步长设为-1即可。
## (2). 运行结果
