code: def contrast_intensity(level: float, **kwargs) -> float:
      assert (
          isinstance(level, (float, int)) and -1000 <= level <= 1000
      ), "level must be a number in [-1000, 1000]"
  
      return (abs(level) / 1000) * 100.0
  
imports: from typing import Any, Dict, List, Optional, Tuple
  import numpy
  from augly.image import intensity, utils
  from augly.video.helpers import get_video_info
label_desc: Use image node_id 12 for calling a global function with example usage: contrast_intensity(level) and returns: unknown