code: def gray(level, content):
      """Grayscale
  
      :param level: [0-15] 0 is almost black, 15 is nearly white
      :type level: int
      :param content: Whatever you want to say...
      :type content: unicode
      :return: ansi string
      :rtype: unicode
      """
      return (
          encode("38;5;%i" % (232 + level)) + content + encode(DEFAULT)
      )
  
imports: from __future__ import absolute_import, print_function, unicode_literals
  import platform
label_desc: Use image node_id 10 for calling a global function with example usage: gray(level, content) and returns: unknown