create np array from a column in ndarray code example
Example 1: append a zeros column numpy
np.concatenate((np.zeros((3,3), dtype=int), arr), axis=1)
array([[0, 0, 0, 1, 2, 3],
[0, 0, 0, 4, 5, 6],
[0, 0, 0, 7, 8, 9]])
Example 2: how to create multidimensional array in python using numpy
from numpy import *
array = array([[1,2,3,4],[3,4,2,5]])
## if want you can print it
print(array)