Python 購物車

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product_list = [
    (‘iphone‘,8000),
    (‘Mac Pro‘,9800),
    ("Bike",3000),
    ("Watch",10000),
    ("Cofee",30),
    ("Book",100),
]                    #定義商品列表
shoppint_list = []   #購物車空列表
while True:
    salary  = input("Input you salary:")       #輸入預算
    if salary.isdigit():                       #isdigit 整數
        salary = int (salary)
        while True:                            #迴圈
            # for item in product_list:
            #     print(product_list.index(item),item)
            for index,item in enumerate(product_list):    #下標做產品編號、 enumerate取出列表下標
               print(index,item)                          #index下標、item資料
            user_choice = input("選擇買什麼東西>>>：")    #使用者輸入
            if user_choice.isdigit():                     #整數編碼
                user_choice = int(user_choice)
                if user_choice < len(product_list) and user_choice >-0:              #商品取值範圍
                    p_item = product_list[user_choice]
                    if p_item[1] <= salary :
                        shoppint_list.append(p_item)
                        salary -= p_item[1]
                        print("Added %s into shopping cart,your current balance is %s" %(p_item,salary) )
                    else:
                        print("\033[41;1m你的餘額只剩[%s]了，還買個雞腿\033[0m" %(salary))     # "\033[[\033[Om" 加亮色
                else:
                    print("商品不存在")
            elif user_choice == ‘q‘:
                print("----商品列表------")
                for p in shoppint_list:
                    print(p)
                print("you current balance:",salary)
                exit()
            else:
                print("invalid option")
    else:
        print("請輸入數字")

Python 購物車