np.stack in python

>>> a = np.array([1, 2, 3])
>>> b = np.array([2, 3, 4])
>>> np.stack((a, b))
array([[1, 2, 3],
       [2, 3, 4]])

# Python program explaining 
# stack() function 
  
import numpy as geek 
  
# input array 
in_arr1 = geek.array([ 1, 2, 3] ) 
print ("1st Input array : \n", in_arr1)  
  
in_arr2 = geek.array([ 4, 5, 6] ) 
print ("2nd Input array : \n", in_arr2)  
  
# Stacking the two arrays along axis 0 
out_arr1 = geek.stack((in_arr1, in_arr2), axis = 0) 
print ("Output stacked array along axis 0:\n ", out_arr1) 
  
# Stacking the two arrays along axis 1 
out_arr2 = geek.stack((in_arr1, in_arr2), axis = 1) 
print ("Output stacked array along axis 1:\n ", out_arr2)