code: def __str__(self):
      result = [
          "q1 output" "\t\tDense (num outputs = 256)",
          "\t\tDense (num outputs = 256)",
          "\t\tDense (num outputs = 1)",
          "q2 output" "\t\tDense (num outputs = 256)",
          "\t\tDense (num outputs = 256)",
          "\t\tDense (num outputs = 1)",
          "min(Q1,Q2)",
      ]
      return "\n".join(result)
  
file_path: coach/rl_coach/architectures/tensorflow_components/heads/sac_q_head.py
imports: import tensorflow
  from rl_coach.architectures.tensorflow_components.layers import Dense
  from rl_coach.architectures.tensorflow_components.heads.head import Head
  from rl_coach.base_parameters import AgentParameters
  from rl_coach.core_types import QActionStateValue
  from rl_coach.spaces import SpacesDefinition, BoxActionSpace
label_desc: Use image node_id 3 for calling the SACQHead obj's underlying member method code with example usage: obj.__str__() and returns: str