# offense code
my_fleets = pw.MyFleets()
for fleets in my_fleets:
  atk = f.NumShips()
  desti = f.DestinationPlanet()
  timeleft = f.TurnsRemaining()
  defense = p.NumShips(desti)
  growth = p. GrowthRate(desti)
  time = timeleft
  for turns in timeleft:
    defense = defense + growth
    time = time - 1
    if time <= 0:
      defense = defense - atk
    if time <= 0 and defense >= 0:
      pw.issueorder(desti, source, num_ships)