13 购物车之二(用字典)
asset_all = eval(input("请输入总资产:"))
car_dict = {}
# dict_list = {
# "电脑":{"single_price":"单价","num":"个数"}
#
# }
goods = [
{"name":"电脑","price": 1999},
{"name":"鼠标","price": 10},
{"name":"游艇","price": 20},
{"name":"美女","price": 998},
]
for i in goods:
print(i['name'],i['price'])
while True:
i2 = input("请输入商品(y/Y结算):")
if i2.lower() == 'y':
break
for item in goods:
if item['name'] == i2:
name = item['name']
if name in car_dict.keys():
car_dict[name]["num"] += 1
else:
car_dict[name] = {"single_price": item["price"], "num": 1}
print(car_dict)
sum_all = 0
for k,v in car_dict.items():
print(k,v)
n = v['single_price']
m = v['num']
sum_all += m*n
print(sum_all)
if asset_all < sum_all:
print("余额不足")
else:
print("购买成功")
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