code: def make(env_name):
      print(">>>>>>>>> you are testing mock gym env: ", env_name)
      if env_name == "CartPole-v0":
          return CartPoleEnv()
      elif env_name == "PongNoFrameskip-v4":
          return PongEnv()
      elif env_name == "HalfCheetah-v1":
          return HalfCheetahEnv()
      else:
          raise NotImplementedError(
              "Mock env not defined, please check your env name"
          )
  
imports: import numpy
  from random import random
label_desc: Use image node_id 1 for calling a global function with example usage: make(env_name) and returns: CartPoleEnv, PongEnv, HalfCheetahEnv