问询问用户输入，然后根据输入的数量显示它。存储和返回input.in Python

EN

items_str = input('What is on your shopping list today? (Enter elements separated by a comma) ') #take input from the user
items = items_str.replace(" ", "") #to remove whitespaces
items = items.split(',') #creating an array of the items
total = 0
for item in items:
    total = total + int(input("What is the estimated cost for {0}? Enter estimated cost here: ".format(item)))
print("Total estimated cost for ", items_str, " is ", total)