coins = 0
bag = []

def Add_item(c,w):
	c += 1
	w.append("mushroom")
	return c,w

def Remove_item(c,w):
	c -= 1
	w.pop()
	return c,w

coins, bag = Add_item(coins,bag)
coins, bag = Add_item(coins,bag)
coins, bag = Add_item(coins,bag)
coins, bag = Add_item(coins,bag)
coins, bag = Add_item(coins,bag)
coins, bag = Remove_item(coins,bag)
print(coins)
print(bag)