# author:Iron Qi
product_list = [('Iphone',5800),
? ? ? ? ? ? ? ? ('Mac Pro',9800),
? ? ? ? ? ? ? ? ('Play Game',1000),
? ? ? ? ? ? ? ? ('Watch',4300),
? ? ? ? ? ? ? ? ('Basketball',260),
? ? ? ? ? ? ? ? ('cloth',1314)
? ? ? ? ? ? ? ]
shopping_list=[]? #商品購物車是空表
salary = input("Input your salary:")
if salary.isdigit():
? ? salary = int(salary)
? ? while True:
? ? ? ? for index,item in enumerate(product_list): # 取列表的下標和實際屬性
? ? ? ? ? ? print(index,item)
? ? ? ? user_choice = input("Please select the item you want to buy:") # 選擇的是商品編號
? ? ? ? if user_choice.isdigit():
? ? ? ? ? ? user_choice = int(user_choice)
? ? ? ? ? ? if user_choice < len(product_list)and user_choice >=0:
? ? ? ? ? ? ? ? p_price=product_list[user_choice]
? ? ? ? ? ? ? ? if p_price[1] <= salary: #can buy
? ? ? ? ? ? ? ? ? ? shopping_list.append(p_price)
? ? ? ? ? ? ? ? ? ? salary -=p_price[1]
? ? ? ? ? ? ? ? ? ? print("Added %s into shopping cart,your balance is \033[31;1m%s\033[0m" %(p_price,salary))
? ? ? ? ? ? ? ? else:
? ? ? ? ? ? ? ? ? ? print("\033[32;1myour balance only is[%s]另凌，No longer available\033[0m"% salary)
? ? ? ? ? ? else:
? ? ? ? ? ? ? ? print("product code [%s] is not exist!"% user_choice)
? ? ? ? elif user_choice =='q':
? ? ? ? ? ? print("---------shopping list---------")
? ? ? ? ? ? for p in shopping_list:
? ? ? ? ? ? ? ? print(p)
? ? ? ? ? ? print("your current balance:",salary)
? ? ? ? ? ? exit()
? ? ? ? else:
? ? ? ? ? ? print("invalid option")
else:
? ? print("\033[33;1mYour input is not valid\033[0m") #\033[33;1m----\033[0m 是用來高亮组力。
結果展示：
Input your salary:5000
0 ('Iphone', 5800)
1 ('Mac Pro', 9800)
2 ('Play Game', 1000)
3 ('Watch', 4300)
4 ('Basketball', 260)
5 ('cloth', 1314)
Please select the item you want to buy:4
Added ('Basketball', 260) into shopping cart,your balance is 4740
0 ('Iphone', 5800)
1 ('Mac Pro', 9800)
2 ('Play Game', 1000)
3 ('Watch', 4300)
4 ('Basketball', 260)
5 ('cloth', 1314)
Please select the item you want to buy:5
Added ('cloth', 1314) into shopping cart,your balance is 3426
0 ('Iphone', 5800)
1 ('Mac Pro', 9800)
2 ('Play Game', 1000)
3 ('Watch', 4300)
4 ('Basketball', 260)
5 ('cloth', 1314)
Please select the item you want to buy:q
---------shopping list---------
('Basketball', 260)
('cloth', 1314)
your current balance: 3426
0 ('Iphone', 5800)
1 ('Mac Pro', 9800)
2 ('Play Game', 1000)
3 ('Watch', 4300)
4 ('Basketball', 260)
5 ('cloth', 1314)
