code: def print_internal_state(self):
      print("Step", self.step_cnt)
      print_maze = self.maze.astype(str)
      print_maze[
          self.internal_state.agent_pos.x,
          self.internal_state.agent_pos.y,
      ] = "A"
      ghost_str = ""
      for g, ghost in enumerate(self.internal_state.ghosts):
          print_maze[ghost.pos.x, ghost.pos.y] = "G"
          ghost_str += "Ghost {} at {}, direction={}, type={}\n".format(
              g,
              ghost.pos,
              ACTION_DICT[ghost.direction],
              ghost.move_type,
          )
      np.set_printoptions(formatter={"str_kind": lambda x: x})
      print("Maze: \n{}".format(print_maze))
      print(
          "Agent at {}, power duration {}".format(
              self.internal_state.agent_pos,
              self.internal_state.power_duration,
          )
      )
      print(ghost_str[:-1])
  
imports: import logging
  from typing import NamedTuple
  import numpy
  from gym import Env
  from gym.spaces import Box, Discrete
label_desc: Use image node_id 19 for calling the PocManEnv obj's underlying member method code with example usage: obj.print_internal_state() without return types