Python笔记(三)购物车小程序

product_list = [
['Apple',10],
['Banner',6],
['Peach',12],
['Orage',14],
['Grape',11]
]
shopping_list = []
salary = input("请输入你的余额:")
if salary.isdigit():
salary = int(salary)
while True:
for index, item in enumerate(product_list):
print(index,item)
user_choice = input("请输入商品的编号:")
if user_choice.isdigit():
user_choice = int(user_choice)
if user_choice < len(product_list) and user_choice >= 0:
p_item = product_list[user_choice]
if p_item[1] < salary:
shopping_list.append(p_item)
salary -= p_item[1]
print("您购买的%s已加入购物车，余额剩余:\033[31;1m%s\033[0m" %(p_item,salary))
else:
print("\033[41;1m你的余额不足!\033[0m")
else:
print("找不到相应的商品编号!")
elif user_choice == 'q':
print("购物车内的商品如下：%s\n您的余额剩余:%s" %(shopping_list,salary))
for i in shopping_list:
print(i)
exit()
else:
print("您输入的选项错误!")
else:
print("Error！")