code: def _init_agents_id_one_hot(self, n_agents):
      agents_id_one_hot = []
      for agent_id in range(self.n_agents):
          one_hot = self.agent_id_one_hot_transform(agent_id)
          agents_id_one_hot.append(one_hot)
      self.agents_id_one_hot = np.array(agents_id_one_hot)
  
file_path: PARL/examples/QMIX/env_wrapper.py
imports: from utils import OneHotTransform
  from copy import deepcopy
  import numpy
label_desc: Use image node_id 3 for calling the SC2EnvWrapper obj's underlying member method code with example usage: obj._init_agents_id_one_hot(n_agents) without return types