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) Slices Slice Functions

Great work! OK, this second one should be pretty similar to the first. Make a new function n

what is wrong with this

slices.py
def first_4(treehouse):
    return treehouse[0:4]

def first_and_last_4(computer): 
    return computer[:4] and computer[-4:]

2 Answers

Stuart Wright
Stuart Wright
41,118 Points

The keyword and is used to create Boolean expressions (True/False). To add two iterables together you need the + operator instead.

You are amazing!!