#!/usr/bin/python3
import random

def print_matrix(matrix):
	for row in matrix:
		print(row)
def create_matrix(n,m):
	return [[random.randint(0,1) for _ in range(m)] for _ in range(n)]
def main():
	print("Πίνακας 3x3:")
	matrix_3x3 = create_matrix(3,3)
	print_matrix(matrix_3x3)

	print("Πίνακας 4x4:")
	matrix_4x4 = create_matrix(4,4)
	print_matrix(matrix_4x4)

	print("Μετατροπή του 4x4 σε 4x6:")
	matrix_4x6 = [row + [0,0] for row in matrix_4x4]
	print_matrix(matrix_4x6)

	print("Μετατροπή του 4x4 σε 6x6:")
	matrix_6x6 = [row + [0,0] for row in matrix_4x4]
	for _ in range(2):
		matrix_6x6.append([0]*6)
	print_matrix(matrix_6x6)

if __name__=="__main__":
	main()