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

Yolandi Watkins
Yolandi Watkins
2,549 Points
Posted by Yolandi Watkins
Yolandi Watkins
2,549 Points

I have extracted the first 4 and last 4 items from a string and added them together and cannot get the right answer.

I have even added in an if statement to check in the input string is less than 3 items in the string that would cause the code to break.

slices.py 
def first_4(iterable):
    list_1 = iterable[0:4]
    return(list_1)

def first_and_last_4(iterable):
    list_2 = first_4 = iterable[0:4] + last_4 = iterable[-4::1]
    #last_4 = iterable[-4::1]
    #list_2 = first_4 + last_4    
    return(list_2)

1 Answer

Yolandi Watkins
Yolandi Watkins
2,549 Points
Yolandi Watkins
Yolandi Watkins
2,549 Points

I managed to figure this out. Also the code I posted wasn't completely edited yet. I am sorry about this.