matrix_transpose_using_nested_loop.py

# Program to transpose a matrix using a nested loop
X = [[12, 7],
     [4, 5],
     [3, 8]]
result = [[0, 0, 0],
          [0, 0, 0]]
# iterate through rows
for i in range(len(X)):
   # iterate through columns
   for j in range(len(X[0])):
       result[j][i] = X[i][j]
for r in result:
   print(r)