#!/usr/bin/python3

import numpy as np

def matrix4x4():
	return np.random.randint(0,2,(4,4))

def matrix4x4to4x6(pinakas):
	cols=np.zeros((4,2))
	return np.append(pinakas,cols,axis=1)

def matrix4x6to6x6(pinakas):
	rows=np.zeros((2,6))
	return np.append(pinakas,rows,axis=0)

def main():
	pinakas4x4=matrix4x4()
	print(pinakas4x4)

	pinakas4x6=matrix4x4to4x6(pinakas4x4)
	print(pinakas4x6)
	print(matrix4x6to6x6(pinakas4x6))

if __name__=="__main__":
	main()