import re
p = re.compile(r'^(?:\S+\s+){2}(\S+),')
uptime = "22:59:49 up 109:32, 7 users, load average: 0.10, 0.02, 0.05"
m = p.search(uptime)
if m:
print(m.group(1))
aW1wb3J0IHJlCnAgPSByZS5jb21waWxlKHInXig/OlxTK1xzKyl7Mn0oXFMrKSwnKQp1cHRpbWUgPSAiMjI6NTk6NDkgdXAgIDEwOTozMiwgIDcgdXNlcnMsICBsb2FkIGF2ZXJhZ2U6IDAuMTAsIDAuMDIsIDAuMDUiCm0gPSBwLnNlYXJjaCh1cHRpbWUpCmlmIG06CglwcmludChtLmdyb3VwKDEpKQ==