Python [slices: not working]
Python slices not working if i use open construction like [1:] or [:-2]
From: https://py.checkio.org/mission/correct-sentence/solve/
HTTP_USER_AGENT:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/70.0.3538.77 Chrome/70.0.3538.77 Safari/537.36