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# Untitled

a guest Jun 17th, 2019 68 Never
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1. def sum_matrix (matrix):
2.     #
3.     # | 1 2 3 |
4.     # | 1 2 3 |
5.     # | 1 2 3 |  ->  |4 8 12|
6.     # | 1 2 3 |
7.     # _________
8.     #   4 8 12
9.     vektor = [[0] for i in range(0,len(matrix[0]))]
10.     for j  in range(0, len(matrix[0])):        #rows 0-3 4
11.         buffer = 0
12.         for i in range(0, len(matrix)):  #columns 3
13.             if matrix[i][j] !=None:
14.                 buffer = buffer + matrix[i][j]
15.                 #vektor[j][0] = buffer
16.             elif matrix[i][j] ==None:
17.                 vektor[j][0] = None
18.         vektor[j][0] = buffer
19.     return vektor
20.
21. print (sum_matrix ([[0,0,0],[0,0,1],[0,1,0],[0,0,0]]))
22. print (sum_matrix ([[0,0,0],[0,None,1],[0,1,None],[0,0,0]]))
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