def MakePlayerTorpedoMove(Board,Ships):
  Row,Column=GetRowColumn()
  while Row >= 0 and(Board[Row][Column]=="m" or Board[Row][Column] =="-"):
    Board[Row][Column]="m"
    Row -=1
  if Board[Row][Column]!= 0 and Board[Row][Column]!= "m":
    print ("Torpedo hits at ("+str(Column)+","+str(Row)+").")
    Board[Row][Column] ="h"
  else:
    print ("Torpedo failed to hit a ship")
def PlayGame(Board, Ships):
  Torpedoes = 20
  GameWon = False
  TorpedoUsed =False
  while not GameWon or Torpedoes>0:
    PrintBoard(Board)
    if not TorpedoUsed:
      TorpedoChosen = input("Fire a torpedo? (Y/N)")
    if TorpedoChosen =="Y":
      MakePlayerTorpedoMove(Board,Ships)
      TorpedoChosen ="N"
      TorpedoUSed = True
    else:
      MakePlayerMove(Board, Ships)
      GameWon = CheckWin(Board)
      Torpedoes =Torpedoes-1
      save= input("Do you want to save the game? ").title()
      if save == ("Y"):
        Filename = input("Enter a file name: ")
        SaveGame(Board, Filename)
      print("You have",Torpedoes,"Torpedoes")
      if Torpedoes ==0:
        print("GAME OVER! You ran out of ammo")
        break
      if GameWon:
        print("All ships sunk!")
        print()