code: def _mean_reduce(x: JaxArray) -> JaxArray:
      return x.mean((2, 3))
  
file_path: objax/examples/fixmatch/libml/zoo/convnet.py
imports: import functools
  import jax
  import objax
  from objax.typing import JaxArray
label_desc: Use image node_id 1 for calling the ConvNet obj's underlying member method code with example usage: obj._mean_reduce(x) and returns: x