new_contents: STATE_OK = 1
  STATE_POISONED = 0
  STATE_DEAD = -1
  
  MAX_HEALTH = 100
  
  INCREMENT = 1
  DECREMENT = -1
  
  class Fighter:
      def __init__(self, position):
          self.state = STATE_OK
          self.health = MAX_HEALTH
          self.position = position
      
      def state(self, state):
          self.state = state
      
      def health(self, amount, op=INCREMENT):
          if op == INCREMENT:
              self.health += amount
          elif op == DECREMENT:
              self.health -= amount
          
          if self.health <= 0:
              self.state(STATE_DEAD)
      
      def move(self, position):
          self.position = position
  
  class Board:
      def __init__(self):
          pass
      
      def create(self, x=50, y=50):
          self.x = x
          self.y = y
          self.board = [[0 for x in range(self.x)] for x in range(self.y)]
  
  class Game():
      def __init__(self, max_x, max_y):
          self.board = Board()
          self.board.create(max_x, max_y)
          
          self.player_one = Fighter([0,0])
          self.player_two = Fighter([max_x,max_y])
      
      def run(self):
          pass
  
  Game = Game(50, 50)
  Game.run()
  
subject: Create main.py