import numpy as np
x = np.array([[11, 12, 13, 14, 15],
[16, 17, 18, 19, 20],
[21, 22, 23, 24, 25],
[26, 27, 28, 29, 30],
[31, 32, 33, 34, 35]])
r = [0, 1, 2]
c = [2, 3, 4]
y = np.take(x, [r, c])
print(y)

[[11 12 13]

[13 14 15]]

Why this is the result.