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Python Python Collections (2016, retired 2019) Lists Combining Lists

Stating that Task 1 is no longer passing

I have a feeling this could should work perfectly fine. The first task is to create a list with three items in it called best. It lets me pass the first step perfectly fine after creating the best list but in the second task when I add on the two best.appends it states that task 1 is no longer doing what it is supposed to do when I have changed nothing to that code.

best = [1,2,3]

1 Answer

Jennifer Nordell
Jennifer Nordell
Treehouse Teacher

Hi there! The reason it's stating that task 1 is no longer passing is because you've introduced a syntax error which means the code can no longer compile. This is the most common reason for receiving this error. Append is a method, and methods use parentheses, not square brackets. Here's an example:


Hope this helps! :sparkles:

Thank you! Gonna go kick myself now haha