code: def _is_control(char):
      if char == "\t" or char == "\n" or char == "\r":
          return False
      return unicodedata.category(char).startswith("C")
  
file_path: tinygrad/examples/mlperf/helpers.py
imports: from collections import OrderedDict
  import unicodedata
  import numpy
  from scipy import signal
label_desc: Use image node_id 7 for calling a global function with example usage: _is_control(char) and returns: unicodedata, False