salary = int(input("please input your salary:"))
shopping_car = []
Commodity_shelves = [["iphone",5800],["macbookpro",12000],["starbuck_latte",30],["Alex_python",81],["bike",800]]
j = 0
if salary < price:
print ( "Your balance is insufficient" )
print ( "The following items have been added to your cart:" , shopping_car)
break
elif buy == 100:
break
else:
shopping_car.append(Commodity_shelves[buy][0])
salary -= price
print ( "The following items have been added to your shopping cart:" ,shopping_car)
print ( "Your balance is: " , salary )
j = 0