日常

product_list = [
(‘Iphone‘,8000),
(‘Mac Pro‘,9800),
(‘Bike‘,800),
(‘Watch‘,10600),
(‘Coffee‘,30),
]
shopping_list = []
salary = input("Input your salary:")
if salary.isdigit():
salary = int(salary)
while True:
for index,item in enumerate(product_list):
print(index,item)
user_choice = input("選擇要買嗎?>>>:")
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("Your current balance:",salary)
else:
print("余額不足")
else:
print("product code [%s] is not exist!"% user_choice)
elif user_choice ==‘q‘:
print("-----shopping list------")
print(shopping_list)
for p in shopping_list:
print(p)
print("Your current balance:",salary)
exit()
else:
print("invalid option")

Python購物車程序初練