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 (Retired) Slices Slice Functions

Make a function name first_and_last_4 that accepts an iterable and returns the first 4 and last 4 items in the iterable.

can someone help me with my code? i'm stuck

def first_4(abcd):
   return abcd[:4]
def odds(abcd):
  return abcd[1::2]
def first_and_last_4(abcd)
   return first_4(abcd) + abcd[len(abcd)-4:]

2 Answers

Adam Oliver
Adam Oliver
8,214 Points


def first_and_last_4(my_it):
  return my_it[0:4] + my_it[-4:]

Hi Mayamiko,

Your last function is missing a colon at the end. After adding that, it should pass the challenge.