NumPy concat by turns

Question

How to combine 2 arrays by turns from

arr_1 = np.full((5,), 0)
arr_2 = np.full((5,), 1)

to

[0,1,0,1,0,1,0,1,0,1]

Thanks!

Answer 1

You can do that like so:

import numpy as np
a = np.array([0, 1])
repeated = np.tile(a, 5)

Result:

array([0, 1, 0, 1, 0, 1, 0, 1, 0, 1])

Documentation.