code: def _mixed_norm(tensor_tuple):
      if len(tensor_tuple) == 0:
          return 0.0
      return max([_rms_norm(tensor) for tensor in tensor_tuple])
  
imports: from enum import Enum
  import math
  import numpy
  import torch
  import warnings
  from .event_handling import combine_event_functions
label_desc: Use image node_id 5 for calling a global function with example usage: _mixed_norm(tensor_tuple) and returns: max, int