python-购物车优化二
在退出系统，打印购物清单后，wait 2s再退出
1 #Author:Archer Zon 2 import time 3 product_list = [ 4 ('iPhone X', 5800), 5 ('Mac Pro', 10800), 6 ('Bike', 800), 7 ('Coffe', 31), 8 ('iWatch', 9800), 9 ('Archerzon Python', 120), 10 ] 11 salary = input("\033[36;1mEnter your salary:\033[0m") 12 shopping_list = [] 13 exit_flag = False 14 if salary.isdigit(): 15 salary = int(salary) 16 while not exit_flag: 17 for index,item in enumerate(product_list): 18 print(index,item) 19 user_choice = input("选择你要购买的商品：") 20 if user_choice.isdigit(): 21 user_choice = int(user_choice) 22 if user_choice < len(product_list) and user_choice >= 0: 23 p_item = product_list[user_choice] 24 if p_item[1] < salary: 25 shopping_list.append(p_item) 26 salary -= p_item[1] 27 print("You have bought \033[31;1m%s\033[0m.Your current balance is \033[31;1m%s\033[0m."%(p_item[0],salary)) 28 else: 29 print("余额不足，仅剩\033[31;1m%s\033[0m.请及时充值！"%salary) 30 elif user_choice == 'q': 31 print("------shopping list------") 32 print("正在打印购买清单，请稍等...") 33 time.sleep(2) 34 for p in shopping_list: 35 print(p) 36 print("Yout current balance is \033[31;1m%s\033[0m"%salary) 37 print("打印完毕，即将退出系统...") 38 time.sleep(2) 39 exit_flag = True 40 else: 41 print("\033[31;1mInvalid option!\033[0m") 42 elif salary == 'q': 43 print("正在退出系统，请稍等...") 44 time.sleep(2) 45 pass
