I would like to give some feedback about ...
From: https://py.checkio.org/mission/anagrams-by-stacks/solve/
HTTP_USER_AGENT:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.59 Safari/537.36
Created at: 2016/10/17 09:06; Updated at: 2016/10/17 15:40
The question is resolved.