code: def read_version(path):
      """Attempts to read a python version string from a runtime.txt file
  
      :param path: to source of the string
      :return: python version
      :rtype: unicode or None
      """
      version = None
      if os.path.exists(path):
          version = open(path, "r", encoding="utf-8").read().strip()
  
      if version:
          return re.sub(r"^python-", "", version)
  
      return version
  
imports: from __future__ import absolute_import, print_function, unicode_literals
  import glob
  import locale
  import os
  import re
  import socket
  import subprocess
  import sys
  import platform
  from io import open
  import pkg_resources
  from lore import ansi
label_desc: Use image node_id 10 for calling a global function with example usage: read_version(path) and returns: version, re