Diff the logs

diff.py

starts = set()
completes = set()
with open('logs.txt','r') as logs:
  for log in logs:
    log = log.strip()
    if not log.startswith('com'):
      continue
    tokens = log.rsplit(' ', 1)
    test = tokens[0]
    status = tokens[1]
    if status == 'STARTED':
      starts.add(test)
    else:
      completes.add(test)

print(starts - completes)