1 Shopping_Cart=[]
2
3 commodity=[("iphone",5000),
4 ("bike",200),
5 ("book",100),
6 ("computer",3000),
7 ("car",10000),
8 ]
9 salary=input("please input your salary:")
10
11 # print(commodity)
12 if salary.isdigit():
13 salary=int(salary)
14 while True:
15 for index,item in enumerate(commodity):
16 print(index,item)
17 Use_choice = input("please choose you want to buy commodity num:")
18 if Use_choice.isdigit():
19 Use_choice=int(Use_choice)
20 if Use_choice<len(commodity) and Use_choice>=0 :
21 p_item=commodity[Use_choice]
22 # print(p_item[1])
23 if p_item[1]<= salary:
24 Shopping_Cart.append(p_item)
25 salary-=p_item[1]
26 print("Shopping_Cart added %s ,your current balance is \033[31;1m %s \033[0m" % (p_item,salary))
27 else :
28 print("\033[41;1m 余额不足,请重新选择 %s \033[0m" %salary)
29 else:
30 print("please iput correct product code \033[31;1m %s \033[0m" % Use_choice)
31 elif Use_choice=="q" :
32 print("--------shopping list---------")
33 for i in Shopping_Cart:
34 print(i)
35 exit("成功退出购买商品")
36 else:
37 print("please input Correct commodinty num \033[31;1m %s \033[0m"%Use_choice)
38 else:
39 print("\033[31;1mplease input Correct salary %s \033[0m"%salary)
