code: def _count_not_none(*args):
      return sum([1 for arg in args if arg is not None])
  
imports: import logging
  import math
  from dataclasses import dataclass
  from enum import Enum
  from typing import Any, Sequence, Callable, Optional, List
  import numpy
  from pipeline_dp import input_validators
label_desc: Use image node_id 4 for calling a global function with example usage: _count_not_none() and returns: sum