Need to add hours min and seconds

[frank0903]

import os
too = r'C:/01/OUTCOME.txt'
with open(too) as fo:        
    sec = 0
    for line in fo:
        res = line.split(',')
        ontu=res[2].strip()
        sd,st=ontu.split('.')
        sdh,sdm,sds=sd.split(':')
        sec += int(sdh)*3600 + int(sdm)*60 + int(sds)
    print(str(datetime.timedelta(seconds=sec)))