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Python Python Basics (Retired) Putting the "Fun" Back in "Function" Functions

Michele Cynowicz
Michele Cynowicz
1,988 Points

I am writing a for loop here and I don't see why it isn't evaluating correctly. Where can I get help?

The lesson preceding this challenge doesn't cover all the challenge content. I am not getting enough feedback from the work-checker to figure out where I've gone wrong with this. Is there someone that can help me?

If you post your code, I can take a look and help out.

3 Answers

Kenneth Love
STAFF
Kenneth Love
Treehouse Guest Teacher

The challenge requires you to loop over the items in a list. We covered looping over a list in the Shopping List Project video. If you don't want to watch it again, it's the syntax:

>>> my_list = [4, 8, 10]
>>> for num in my_list:
...         print(num)

4
8
10

You'll also need to give yourself a starting point for adding all of these numbers together. I'd suggest a variable that's set to 0.

Michele Cynowicz
Michele Cynowicz
1,988 Points

I wish this interface had allowed me to copy & paste the code or the task from the challenge. I didn't realize the question was being posted to a forum, I thought it would be answered by the instructor.

Michele Cynowicz
Michele Cynowicz
1,988 Points

Thanks. I see what I was missing now was to pre-define the list before writing the function.

Kenneth Love
Kenneth Love
Treehouse Guest Teacher

You don't have to define the list for the CC to pass. I'll give your function a list as an argument when it gets tested. But if you're writing the code somewhere else first, then, yes, you'll need a list.

Michele Cynowicz
Michele Cynowicz
1,988 Points

that's what I originally thought, Kenneth Love ... that I could write the function without pre-defining the list itself. Which is why I couldn't figure out what I had done wrong, since the function was indeed correct. Going back and adding the list = [1,2,3] before the function definition was the proper fix to pass the code challenge.