Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trial
Alex Durham
Courses Plus Student 456 Pointsindent
Are these lines not indented properly?
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.
""")
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
def main (): # <-- space before paren throwing off checker.
show_help()
# make a list to hold onto our items
shopping_list = []
while True:
# ask for new items
new_item = input("> ") # <-- incorrect indentation in while loop
# be able to quit the app
if new_item == 'DONE': # <-- incorrect indentation in while loop
break
elif new_item == 'HELP': # <-- incorrect indentation in while loop
show_help()
continue
elif new_item == 'SHOW': # <-- incorrect indentation in while loop
show_list(shopping_list)
continue
add_to_list(shopping_list, new_item) # <-- incorrect indentation in while loop
show_list(shopping_list)
2 Answers
Jeff Wilton
16,646 PointsThis is one of those slightly frustrating cases where it is not looking for proper Python syntax, but instead it is looking for something formatted EXACTLY the way they expect. Just adding a single comment, extra space or # character makes the challenge fail. You did have the last line wrongly indented, but even that doesn't fix the problem until I removed all of your comments and inserted line breaks where they expected them to be.
def main():
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)
show_list(shopping_list)
Steven Parker
231,269 PointsOnly the first comment must be removed.
I also found it necessary to remove the space as Kenneth Love had suggested in a previous answer, so the comment did not make sense any more anyway. But (to Kenneth) — shouldn't the challenge ignore the comment?
So after fixing that, and the bad indentation on the last line, this passed the challenge:
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.
""")
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
def main():
show_help()
# make a list to hold onto our items
shopping_list = []
while True:
# ask for new items
new_item = input("> ") # <-- incorrect indentation in while loop
# be able to quit the app
if new_item == 'DONE': # <-- incorrect indentation in while loop
break
elif new_item == 'HELP': # <-- incorrect indentation in while loop
show_help()
continue
elif new_item == 'SHOW': # <-- incorrect indentation in while loop
show_list(shopping_list)
continue
add_to_list(shopping_list, new_item) # <-- incorrect indentation in while loop
show_list(shopping_list)
Kenneth Love
Treehouse Guest TeacherUpdated. The comments shouldn't matter.
Steven Parker
231,269 PointsThanks for the rapid service!