#def imprimir(texto, veces = 1):
#	print(veces * texto)
#imprimir("hola" , 5)

#def varios(param1, param2, *otros):
#	for val in otros:
#		print(val)

#varios(1, 2)
#varios(1, 2, 3)
#varios(1, 2, 3, 4)


#def varios(param1, param2, **otros):
#	for i in otros.items():
#		print(i)

#varios(1, 2, tercero= 3)

#def f(x, y):
#	x = x + 9
#	y.append(23)
#	print(x, y)
#x = 22
#y = [22]
#f(x, y)
#print(x, y)

def sumar(x, y):
	return x + y

print sumar(457, 2)