code: def flip_play_game(self, policy1, policy2):
      if policy1 is None and policy2 is None:
          return 57 * 57
      if np.random.uniform(0.0, 1.0) > 0.5:
          r = self.flip_play_game_nosym(
              policy1=policy2, policy2=policy1
          )
          return 1 if r == 2 else 2 if r == 1 else 0
      return self.flip_play_game_nosym(policy1, policy2)
  
imports: import functools
  import numpy
  from nevergrad.functions import ExperimentFunction
  from nevergrad.parametrization import parameter
label_desc: Use image node_id 7 for calling the _Game obj's underlying member method code with example usage: obj.flip_play_game(policy1, policy2) and returns: self, unknown, unknown