myOutput = [ (0,0,12,04),(0,1,0,42),(4,19,27,0) ]

 # or in datetime

myOutput = [ 00:00:12.04, 00:01:00.42, 4:19:27.00 ]

 # or in milliseconds

 myOutput = [ 12040, 60042, 15582000 ]

import re
from dateutil import parser

d = ["12.04", "1:00.42", "4:19:27"]
d_sub = [re.sub('.', ':', d_) for d_ in d]
print([parser.parse(d_) for d_ in d_sub]) # list in datetime format