Python购物车之用户部分代码

salary = input("输入你的工资：")
bought_list = []
product_list = {}

with open("product_list","r",encoding="utf-8") as f1:
 for item in f1:
 p_name,p_price = item.strip().split(':')
 product_list[p_name]=int(p_price)
print(product_list)

if salary.isdigit():
 salary = int(salary)
 while True:
 user_choice = input("please input product which you want:")
 if user_choice in product_list.keys():
 if product_list[user_choice] <= salary:
 bought_list.append(user_choice) #增加列表的元素
 salary = salary - product_list[user_choice]
 print("Had bought [33[32;1m%s33[0m], and your balance is 33[31;1m%s33[0m"%(user_choice,salary))
 print(bought_list)
 else:
 print("Your balance is less than product's price")
 continue
 elif user_choice is 'q':
 with open('bought.txt','w+',encoding='utf-8') as f2:
 for goods in bought_list:
 print(goods,file=f2)
 exit(print("You had bought %s goods, and your balance is %s"%(bought_list, salary)))

 else:
 print("The good had been sold out")

输入你的工资：15000
{'Python': 20, 'Iphone': 5288, 'Iwatch': 3288, 'Bike': 2400, 'Mac pro': 12888}
please input product which you want:Python
Had bought [Python], and your balance is 14980
['Python']
please input product which you want:Bike
Had bought [Bike], and your balance is 12580
['Python', 'Bike']
please input product which you want:Mac pro
Your balance is less than product's price
please input product which you want:Iwatch
Had bought [Iwatch], and your balance is 9292
['Python', 'Bike', 'Iwatch']
please input product which you want:q
You had bought ['Python', 'Bike', 'Iwatch'] goods, and your balance is 9292