#!/usr/bin/python3
import random
def list33(list):
	list = [[random.random() for _ in range(3)] for _ in range(3)]
	return(list)

def list3344(list):
	for row in list:
		row.append(random.random())
	templist = [random.random() for _ in range(4)]
	list.append(templist)
	return(list)

def list4446(list):
	for row in list:
		for _ in range(2):
			row.append(random.random())
	return(list)

def list4666(list):
	for _ in range(2):
		templist = [random.random() for _ in range(6)]
		list.append(templist)
	return(list)

def main():
	list3=list33(list)
	print(list3)
	print('----------------')
	list4=list3344(list3)
	print(list4)
	print('----------------')
	list46=list4446(list4)
	print(list46)
	print('----------------')
	list6=list4666(list46)
	print(list6)

if __name__=="__main__":
	main()