如何解压缩阵列? [英] How to unzip an Array?

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问题描述

如何解压一个数组,类似于Ruby,Python中这样的例子:

 >>> X = [1,2,3]
>>> Y = [4,5,6]
>>>压缩ZIP =(X,Y)
>>>压缩
[(1,4),(2,5),(3,6)]
>>> X2,Y2 = ZIP(*压缩)
>>>点¯x==列表(×2)和y ==列表(y2)的


解决方案

使用

 >压缩= x.zip(Y)
= GT; [[1,4],[2,5],[3,6]
> X2,Y2 = zipped.transpose
> X2
= GT; [1,2,3]
> Y2
= GT; [4,5,6]

How to unzip an Array in Ruby like this examples in Python:

>>> x = [1, 2, 3]
>>> y = [4, 5, 6]
>>> zipped = zip(x, y)
>>> zipped
[(1, 4), (2, 5), (3, 6)]
>>> x2, y2 = zip(*zipped)
>>> x == list(x2) and y == list(y2)

解决方案

Use transpose:

> zipped = x.zip(y)
=> [[1, 4], [2, 5], [3, 6]]
> x2, y2 = zipped.transpose
> x2
=> [1, 2, 3]
> y2
=> [4, 5, 6]

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