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Python Python Basics (2015) Shopping List App Refactor

seong lee
seong lee
4,503 Points

shopping_list_2.py

my code doesn't work please help me with this. I thank you ahead of time

shopping_list.py
def show_help():
    # print out instructions on how to use the app
    print("What should we pick up at the store?")
    print("""
Enter 'DONE' to stop adding items.
Enter 'HELP' for this help.
Enter 'SHOW' to see your current list.
Enter "BURN" to get rid of current list.
""")

def show_list(shopping_list):
    # print out the list
    print("Here's your list:")

    for item in shopping_list:
        print(item)

def add_to_list(shopping_list, new_item):
    # add new items to our list
    shopping_list.append(new_item)
    print("Added {}. List now has {} items.".format(new_item, len(shopping_list)))
    return shopping_list

show_help()

# make a list to hold onto our items
shopping_list = []

while True:
    # ask for new items
    new_item = input("> ")

    # be able to quit the app
    if new_item == 'DONE':
        break
    elif new_item == 'HELP':
        show_help()
        continue
    elif new_item == 'SHOW':
        show_list(shopping_list)
        continue
    add_to_list(shopping_list, new_item)
    elif new item == "BURN":
        del (shopping_list)

show_list(shopping_list)

2 Answers

Christopher Shaw
seal-mask
PLUS
.a{fill-rule:evenodd;}techdegree seal-36
Christopher Shaw
Python Web Development Techdegree Graduate 58,236 Points

You have added the Burn option which is not part of the challenge.

The line add_to_list(shopping_list, new_item) is after the end of the if block, but then you have another elif statement. This will throw a syntax error as the if block is already finished.