docstr: Connect to the cluster and start sampling of the remote actor.
          
docstr_tok: ["Connect","to","the","cluster","and","start","sampling","of","the","remote","actor","."]
code: def create_actors(self):
      """Connect to the cluster and start sampling of the remote actor."""
      parl.connect(self.config["master_address"])
      self.remote_actors = [
          Actor(self.config) for _ in range(self.config["actor_num"])
      ]
      logger.info(
          "Creating {} remote actors to connect.".format(
              self.config["actor_num"]
          )
      )
      self.start_time = time.time()
  
file_path: PARL/examples/A2C/train.py
imports: import gym
  import numpy
  import time
  import parl
  from atari_model import AtariModel
  from atari_agent import AtariAgent
  from collections import defaultdict
  from parl.env.atari_wrappers import wrap_deepmind
  from parl.utils import logger, summary
  from parl.utils.time_stat import TimeStat
  from parl.utils.window_stat import WindowStat
  from actor import Actor
  from parl.algorithms import A2C
label_desc: Use image node_id 2 for calling the Learner obj's underlying member method code with example usage: obj.create_actors() without return types