pythonHow to find the transpose of a matrix

Usage example

m = [[ 2, 4 ] for n in range(3)]
print("M:\n" + str(m) + "\n")

mT = [[ row[col] for row in m] for col in range( len(m[0]) )]
print("Transpose of M:\n" + str(mT))

output

M:
[[2, 4], [2, 4], [2, 4]]

Transpose of M:
[[2, 2, 2], [4, 4, 4]]