code: def __call__(self, obs: Tensor) -> Tuple[Tensor, Tensor]:
      x = self.l1(obs).tanh()
      act = self.l2(x).log_softmax()
      x = self.c1(obs).relu()
      return act, self.c2(x)
  
file_path: tinygrad/examples/beautiful_cartpole.py
imports: from typing import Tuple
  import time
  from tinygrad import Tensor, TinyJit, nn
  import gymnasium
  from tqdm import trange
  import numpy
label_desc: Use image node_id 2 for calling the ActorCritic obj's underlying member method code with example usage: obj.__call__(obs) and returns: act,  self