About the x-axis of the CartPole learning curve figure

[tjuHaoXiaotian]

Coach.py

def learn(self) -> None:
for i in range(1, self.args.num_selfplay_iterations + 1):
print(f'------ITER {i}------')
if not self.update_on_checkpoint or i > 1: # else: go directly to backpropagation

            # Self-play/ Gather training data.
            iteration_train_examples = list()
            scores = list()
            for _ in trange(self.args.num_episodes, desc="Self Play", file=sys.stdout):
                self.mcts.clear_tree()
                game_history, score = self.executeEpisode()