实现一个购物车的程序
1、统计每个物品的单价和总价和数量
2、判断钱是否够
shop_house = ["小米手机：2001", "苹果手机：5330", "三星手机：4103", "华为手机：3125", "魅族手机：3973", "联想手机：222", "酷派手机：155", "退出", "买单"]
wel = "welcome to Cevin phone shopping house"
total_money = 120000
shop_car_dict = {}
iphone_num = 0
xiaomi_num = 0
sanxing_num = 0
huawei_num = 0
meizu_num = 0
lianxiang_num = 0
kupai_num = 0
while True:
print(wel.center(80, '-'))
for i, phone in enumerate(shop_house):
print(i, phone)
option = input("which phone do you want to buy?")
if option == "0":
per = shop_house[0].split("：")
if total_money >= int(per[1]):
total_money = total_money - int(per[1])
# print('-'.center("50"))
print("%s is in shop_car,and you money is %d" % (per[0], total_money))
if shop_car_dict.get(per[0]):
xiaomi_num += 1
per_dict = {per[0]: {"总价": int(per[1])*xiaomi_num, "数量": xiaomi_num,"单价":int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
xiaomi_num = 1
per_dict = {per[0]: {"总价": int(per[1])*xiaomi_num, "数量": xiaomi_num,"单价":int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
print("sorry your money is not enough!")
elif option == "1":
per = shop_house[1].split("：")
if total_money >= int(per[1]):
total_money = total_money - int(per[1])
# print('-'.center("50"))
print("%s is in shop_car,and you money is %d" % (per[0], total_money))
if shop_car_dict.get(per[0]):
iphone_num += 1
per_dict = {per[0]: {"总价": int(per[1]) * iphone_num, "数量": iphone_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
iphone_num = 1
per_dict = {per[0]: {"总价": int(per[1]) * iphone_num, "数量": iphone_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
print("sorry your money is not enough!")
elif option == "2":
per = shop_house[2].split("：")
if total_money >= int(per[1]):
total_money = total_money - int(per[1])
# print('-'.center("50"))
print("%s is in shop_car,and you money is %d" % (per[0], total_money))
if shop_car_dict.get(per[0]):
sanxing_num += 1
per_dict = {per[0]: {"总价": int(per[1]) * sanxing_num, "数量": sanxing_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
sanxing_num = 1
per_dict = {per[0]: {"总价": int(per[1]) * sanxing_num, "数量": sanxing_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
print("sorry your money is not enough!")
elif option == "3":
per = shop_house[3].split("：")
if total_money >= int(per[1]):
total_money = total_money - int(per[1])
# print('-'.center("50"))
print("%s is in shop_car,and you money is %d" % (per[0], total_money))
if shop_car_dict.get(per[0]):
huawei_num += 1
per_dict = {per[0]: {"总价": int(per[1]) * huawei_num, "数量": huawei_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
huawei_num = 1
per_dict = {per[0]: {"总价": int(per[1]) * huawei_num, "数量": huawei_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
print("sorry your money is not enough!")
elif option == "4":
per = shop_house[4].split("：")
if total_money >= int(per[1]):
total_money = total_money - int(per[1])
# print('-'.center("50"))
print("%s is in shop_car,and you money is %d" % (per[0], total_money))
if shop_car_dict.get(per[0]):
meizu_num += 1
per_dict = {per[0]: {"总价": int(per[1]) * meizu_num, "数量": meizu_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
meizu_num = 1
per_dict = {per[0]: {"总价": int(per[1]) * meizu_num, "数量": meizu_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
print("sorry your money is not enough!")
elif option == "5":
per = shop_house[5].split("：")
if total_money >= int(per[1]):
total_money = total_money - int(per[1])
# print('-'.center("50"))
print("%s is in shop_car,and you money is %d" % (per[0], total_money))
if shop_car_dict.get(per[0]):
lianxiang_num += 1
per_dict = {per[0]: {"总价": int(per[1]) * lianxiang_num, "数量": lianxiang_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
lianxiang_num = 1
per_dict = {per[0]: {"总价": int(per[1]) * lianxiang_num, "数量": lianxiang_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
print("sorry your money is not enough!")
elif option == "6":
per = shop_house[6].split("：")
if total_money >= int(per[1]):
total_money = total_money - int(per[1])
# print('-'.center("50"))
print("%s is in shop_car,and you money is %d" % (per[0], total_money))
if shop_car_dict.get(per[0]):
kupai_num += 1
per_dict = {per[0]: {"总价": int(per[1]) * kupai_num, "数量": kupai_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
kupai_num = 1
per_dict = {per[0]: {"总价": int(per[1]) * kupai_num, "数量": kupai_num, "单价": int(per[1])}}
shop_car_dict.update(per_dict)
print(shop_car_dict)
else:
print("sorry your money is not enough!")
elif option == "7":
while True:
option = input("are you sure to exit?
1：退出
2：返回")
if option == "1":
print("ByeBye")
exit()
elif option == "2":
break
else:
print("input error")
continue
elif option == "8":
if shop_car_dict:
print("you money is %d" % (total_money))
print(shop_car_dict)
exit()
else:
print("you have buy nothing")
print("you money is %d" % (total_money))
exit()
else:
print("404")