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

Raduica Sebastian
PLUS
Raduica Sebastian
Courses Plus Student 1,356 Points
Posted by Raduica Sebastian
Raduica Sebastian
Courses Plus Student 1,356 Points

Can i get help please?

Please help

slices.py 
def first_4(iterable):
    finish=iterable[0:4]
    return finish

def first_and_last_4(thing):
    one=thing[0:4]
    two=thing[-1:-5:-1]
    result=one+two

    return result

1 Answer

Manish Giri
Manish Giri
16,266 Points
Manish Giri
Manish Giri
16,266 Points

Your calculation of two looks wrong.

Just try getting the last four items using a negative start index, like - thing[-4:].