code: def _parse_num_inputs_and_targets_from_loader(loader):
      """NOT IMPLEMENTED"""
      # batch = next(iter(loader))
      num_inputs = loader.dataset.num_inputs
      num_targets = loader.dataset.num_targets
      return num_inputs, num_targets
  
file_path: pywick/pywick/modules/_utils.py
imports: import datetime
  import warnings
  import torch.nn.functional
  import torch.optim
  from ..metrics import Metric, CategoricalAccuracy, BinaryAccuracy
  from ..initializers import GeneralInitializer
label_desc: Use image node_id 2 for calling a global function with example usage: _parse_num_inputs_and_targets_from_loader(loader) and returns: num_inputs,  num_targets