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 set_corridor_length(self, length):
      self.end_pos = length
      print("Updated corridor length to {}".format(length))
  
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 2 for calling the SimpleCorridor obj's underlying member method code with example usage: obj.set_corridor_length(length) without return types