#!/usr/bin/python3
import random
def main():
	ml=[]
	for i in range(10):
		ml.append(i)
	print (*ml)
	ml=[i for i in range(10)]
	sq=[x**2 for  x in range(1,11)]
	print (f'List sq len={len(sq)}')
	for el in sq:
		print (el, end=',')
	print("")	
	print(*sq)
	print(sq)
	#filtrarisma listas!
	ml=[i for i in range(100)]
	even_num=[x for x in ml if x%2==0]
	print(even_num)
	#Tomi liston!
	list1=[1,2,3,4]
	list2=[3,4,5,6]
	tomi=[x for x in list1 if x in list2]
	print (tomi)
	#List me tuples
	sqt=[(1,2),(2,3),(3,4)]
	print(sqt)
	print (sqt[0])
	print((sqt[0])[0])
	sqtn=[[1,2],[2,3],[3,4]]
	print(sqtn[0][1])
	print(f'shape=({len(sqtn)},{len(sqtn[0])})')
	#Anastrofi listas
	original=[1,2,3,4,5]
	slice=original[0:2]
	print(slice)
	rev=original[::-1]
	print(rev)
	#Pinakas polaplasiasmou!
	mul_tab=[[i*j for j in range(1,4)] for i in range(1,4)]
	print (mul_tab) 
	#Pinakas nxn me midenika
	my_ml=None
	n=None
	try:
		n=input("Dose n:")
		n=int(n)
		my_ml=[[0 for _ in range(n)] for _ in range(n)]
	except Exception as e:
		print ("Exception:"+str(e))
	print(my_ml)
	#3D
	cube=[[[ -1 for _ in range(3)] for _ in range(n)]
		for _ in range(n)]
	print (cube)	 		
	print(cube[0][0])
	#Listes kai tuxaioi arithmoi! 
	numlist=[random.randint(1,100) for _ in range(n)]
	print("Lista:",numlist)
	print("Sum=",sum(numlist))
	print("Average=",sum(numlist)/len(numlist))	
	"""
	x**2
	x/2--> float
	x//2-> int
	x%2-> modulo
	"""		
if __name__=="__main__":
	main()