code: def nvidia_mem():
      try:
          mem = run(
              "nvidia-smi --query-gpu=memory.total --format=csv,nounits,noheader"
          )
      except:
          return None
      return mem.strip().split("\n")
  
imports: from __future__ import annotations
  from .imports import *
  from .data.all import *
  from .optimizer import *
  from .learner import *
  from .callback.core import *
  from torch.utils.data import TensorDataset
  from torch.utils.data import TensorDataset
label_desc: Use image node_id 6 for calling a global function with example usage: nvidia_mem() and returns: mem, None