class_docstr: Example of a curriculum learning capable env.
  
  This simply wraps a FrozenLake-v1 env and makes it harder with each
  task. Task (difficulty levels) can range from 1 to 10.
docstr: Implement this to get the current task (curriculum level).
docstr_tok: ["Implement","this","to","get","the","current","task","(","curriculum","level",")","."]
code: def get_task(self):
      """Implement this to get the current task (curriculum level)."""
      return self.cur_level
  
file_path: ray/python/ray/rllib/examples/env/curriculum_capable_env.py
imports: import gymnasium
  import random
  from ray.rllib.env.apis.task_settable_env import TaskSettableEnv
  from ray.rllib.env.env_context import EnvContext
  from ray.rllib.utils.annotations import override
label_desc: Use image node_id 5 for calling the CurriculumCapableEnv obj's underlying member method code with example usage: obj.get_task() and returns: self