Question

How to transpose a matrix (interchanging of rows and columns) in Python

Answer 1

matrix = [[1, 2],
          [3, 4],
          [5, 6]]

transpose = [[0, 0, 0],
             [0, 0, 0]]


for i in range(len(matrix)):  # rows
    for j in range(len(matrix[0])):  # columns
        transpose[j][i] = matrix[i][j]

for row in transpose:
    for val in row:
        print('{:5}'.format(val), end="")
    print()
 
'''
run:
 
    1    3    5
    2    4    6
 
'''

 

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