Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Python Functional Python Functional Workhorses Map

The code works its just not presented the right way...

my code works on:

https://www.programiz.com/python-programming/online-compiler/

I've no idea why it doesn't work here, Drives me crazy when it does this.

maps.py
backwards = [
    'tac',
    'esuoheerT',
    'htenneK',
    [5, 4, 3, 2, 1],
]
def reverse(test_list):
    res = [i[::-1] for i in test_list]
    return res

1 Answer

Mel Rumsey
seal-mask
STAFF
.a{fill-rule:evenodd;}techdegree seal-36
Mel Rumsey
Treehouse Staff

Hey there diginoma!

The answer is a bit more simple for this question. To reverse an iterable item passed into the reverse function, you can simply return the item[::1].

So the function would look something like this:

def reverse(item):
    return item[::-1]

Hope this helps!

Thanks!