Question

How to sum 2D numpy array rows in Python

Answer 1

import numpy as np
  
arr = np.array([[3, 3],
                [2, 7],
                [1, 3],
                [12, 2]])
 
sum_arr_rows = arr.sum(1)
 
print(sum_arr_rows)
 
                
 
  
'''
run:
  
[ 6  9  4 14]
  
'''

 

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