class_docstr: Example of a custom env in which you have to walk down a corridor.
  
  You can configure the length of the corridor via the env config.
code: def reset(self, *, seed=None, options=None):
      self.cur_pos = 0.0
      return [self.cur_pos], {}
  
file_path: ray/python/ray/rllib/examples/env/simple_corridor.py
imports: import gymnasium
  from gymnasium.spaces import Box, Discrete
  import numpy
label_desc: Use image node_id 3 for calling the SimpleCorridor obj's underlying member method code with example usage: obj.reset() and returns: list,  dict