new_contents: import random
  
  class ChessEngine:
      def __init__(self, game):
          self.game = game
  
      def make_move(self):
          pass
  
      def choose_random_move(self):
          move = random.choice(self.game.find_all_legal_moves())
          print("Computer chose this move: {}".format(move))
          return move
  
  
subject: introduce engine entity; no real impl yet