将3个列表合并为1个列表 [英] Merge 3 lists into 1 list

问题描述

我想将3个列表合并到一个列表中. 例如，我有三个列表:

I want to merge 3 lists in to a single list. For example, I have three lists:

a = [0, 3, 6, 9]
b = [1, 4, 7, 10]
c = [2, 5, 8, 11]

最后我想得到

merged = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]

在a，b，c

有没有更快的方法来合并这三个列表? 这是我的代码:

Are there any faster way to merge these 3 lists? Here's my code:

merged = []
a = [0, 3, 6, 9]
b = [1, 4, 7, 10]
c = [2, 5, 8, 11]
for i in range(0, len(a)):
    merged.append(a[i])
    merged.append(b[i])
    merged.append(c[i])

推荐答案

import itertools as it

list(it.chain.from_iterable(it.izip(a,b,c)))

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