Small scale chopper - Shopping Cart

#author: Zhang Hao 
#date: 2019/8/14 
list_goods = [ 
    [ 'iphone6s', 5800], 
    [ 'MAC Book', 9000], 
    [ 'Coffee', 30], 
    [ 'Python Book', 80], 
    [ 'the Bicycle', 1500] 
] 
the while True: 
    salary = the iNPUT ( 'Please enter the recharge amount:') 
    shopping_car = [] 
    IF salary.isdigit (): 
        salary = int (salary) 
        the while True: 
            Print ( "the following is a list of goods : ") 
            for goods in list_goods: 
                Print (list_goods.index (goods) +1,", ", goods) 
            Choice = the iNPUT (" Please enter the serial number want to buy goods, enter q to quit: ") 
            IF choice.isdigit ( ):
                choice = int(choice)
                if 0 < choice <= len(list_goods):
                    list_goods IF [-Choice. 1] [. 1] <= the salary: 
                        shopping_car.append (list_goods [Choice -. 1]) 
                        Print ( "% s was product was added to cart"% list_goods [-Choice. 1]) 
                        the salary the salary = - list_goods [-Choice. 1] [. 1] 
                    the else: 
                        Print ( "insufficient funds, the money remaining:% S" the salary%) 
                the else: 
                    Print ( "! product number input does not exist") 
            elif Choice == "Q": 
                Print ( " purchased goods as follows: ") 
                for goods_buy in shopping_car: 
                    Print (shopping_car.index (goods_buy) + 1, goods_buy) 
                Print (" balance:% s "%salary)
                break
            else:
                print ( "input is incorrect, please re-enter!") 
        BREAK 
    the else: 
        print ( "input is incorrect, please re-enter!")