结合两个数组在ruby中创建一个二维数组

问题描述:

a = [1, 2, 3]
b = [4, 5, 6]

如何将两个数组组合成一个二维数组?:

How would I combine the two arrays in a 2D array?:

[[1, 4], [2, 5], [3, 6]]

尝试 数组#zip

a.zip(b)
=> [[1,4],[2,5],[3,6]]