"" "
Shopping cart functionality:
. A guide users to enter an amount
. B to show users all of the goods
c guide the operation of the user input is required of [add and delete billing cart quit].
D guides the user to select merchandise.
E guides the user input required. purchased quantity
. f Add to cart [container]
g operation of the entire cycle, number of cycles of uncertainty.
"" "
DEF the Add ():
Print (super_market) # supermarkets product list
print (price_list) # commodity price table
commodity = input ( "please input you need to add to your shopping basket:") # Please enter the article you need to add
commodity_number = int (input ( "please input the number of commodity:")) # Please enter the article you need to add number
user_market [commodity] = commodity_number # merchandise will be added to the user's cart
super_market [commodity] - = commodity_number
return
DEF the Dell ():
dell_name = input ( "please input you del name:") # remove trade names
dell_number = int (input ( "please the number you del:")) # number of items removed
user_market [dell_name] - = dell_number # the shopping cart of goods removed
super_market [dell_name] + = dell_number # commodity after the supermarket back into the existing product number
Print (user_market)
return
DEF looking ():
Print (super_market)
Print (user_market)
return
DEF Settlement ():
= 0 amout
Print (user_market)
for Key in user_market:
amout + = user_market [Key] * PRICE_LIST [Key]
Print (amout)
if amout > money_user: #如果总价高于所带的金额，退出循环
print("you money is not pay for,please take the full money!")
return False
def exit():
print("Thank you for your presence and welcome to come again next time!!")
return False
money_user = int(input("please user input your take money:"))
super_market = {"apple":50,"watermelon":20,"nuddles":40,"drinks":30}
price_list = {"apple":2,"watermelon":10,"nuddles":6,"drinks":3}
user_market = {}
while True:
operation = int(input("please input your operation\n(1.add****2.del****3.looking****4.settlement****5.exit) :"))
if operation == 1:
add()
elif operation ==2:
dell()
elif operation ==3:
looking()
elif operation ==4:
settlement()
if settlement() == False:
break
elif operation ==5:
exit()
if exit() == False:
break
