EADST

Sorting Multidimensional Array with numpy. Here is the code.

import numpy as np

data = np.array([[7, 8], [4, 6], [1, 9], [3, 5], [2, 0]])
data = data[np.argsort(data[:, 0])]
print(data)
'''
output:
[[1 9]
 [2 0]
 [3 5]
 [4 6]
 [7 8]]
'''