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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _player_step_tuple(self, envs_step_tuples):
 """Augment observation, return usual step tuple."""

    ob, reward, done, info = envs_step_tuples["env"]
    ob = self._augment_observation(ob, reward, self.cumulative_reward)
    return ob, reward, done, info