#!/usr/bin/env python3
m = [[1,2,3],[4,5,6],[7,8,9]]
for row in m:
print(row)
# with list comprehension
rez = [[m[j][i]
for j in range(len(m))]
for i in range(len(m[0]))]
#with loops
#rez = [[0,0,0],[0,0,0],[0,0,0]]
#for j in range(len(m)):
# for i in range(len(m[0])):
# rez[i][j] = m[j][i]
#
print("\n\n--")
for row in rez:
print(row)