code: def get_device(c: Configs):
      is_cuda = c.use_cuda and torch.cuda.is_available()
      if not is_cuda:
          return torch.device("cpu")
      else:
          return torch.device(f"cuda:0")
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  import torch.optim
  import torch.utils.data
  from torchvision import datasets, transforms
  from labml import experiment, lab, tracker, logger
  from labml.configs import BaseConfigs, option
  from labml.internal.configs.dynamic_hyperparam import FloatDynamicHyperParam, IntDynamicHyperParam
label_desc: Use image node_id 3 for calling a global function with example usage: get_device(c) and returns: torch, torch