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

Python Python Collections (2016, retired 2019) Lists Removing items from a list

Vladimir Lapcevic
Vladimir Lapcevic
6,363 Points
Posted by Vladimir Lapcevic
Vladimir Lapcevic
6,363 Points

Second part of my task - why is this not working?

Second part of my task - why is this not working?

lists.py 
messy_list = ["a", 2, 3, 1, False, [1, 2, 3]]

# Your code goes below here
my_number = messy_list.pop(3)
messy_list.insert(0, my_number)
del messy_list.remove(4)
del messy_list.remove(4)

1 Answer

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,972 Points
KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,972 Points

You should use either del or remove.

With remove you remove by value. Ex:

messy_list.remove('a')

With del you remove by index. Ex: Note the square brackets

del messy_list[1]