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Python Python Collections (2016, retired 2019) Slices Slice Functions

I checked my solution for this and i didn't find any Bummer ...please help

help!!

slices.py
def first_4(a):
    return  a[:4]
def first_and_last_4(a):
    return a[:4]+a[-4:]
def odds(a):
    return a[1::2]
def reverse_evens(a):
    s = len(a)
    if s%2 == 0 :
        return a[s-2::-2]
    else:
        return a[s-1::-2]

2 Answers

I pasted your code into the challenge and it passed all 4 tasks.

oh!! thank you but that time it was showing Bummer Bummer !!