code: def sharpness(x, sharpness):
      return _enhance(x, ImageEnhance.Sharpness, sharpness)
  
imports: import random
  from collections import namedtuple
  import numpy
  from PIL import Image, ImageOps, ImageEnhance, ImageFilter
label_desc: Use image node_id 18 for calling a global function with example usage: sharpness(x, sharpness) and returns: _enhance