Peacock keys.json = https://paste.ubuntu.com/p/cPxqx4g3Jq/
As you can see key is on index 2 (index starts from 0)
before that there were 2 mpd urls.
So we start the range with 2 (therefore skipping 0 and 1 index which consists of mpd url).
for i in range(2, len(config)):