code: def _get_glibc_version():
      # type: () -> Tuple[int, int]
      if _glibc_version:
          return _glibc_version[0]
      version_str = _glibc_version_string()
      if version_str is None:
          _glibc_version.append((-1, -1))
      else:
          _glibc_version.append(_parse_glibc_version(version_str))
      return _glibc_version[0]
  
imports: from __future__ import absolute_import
  import distutils.util
  import collections
  import logging
  import os
  import platform
  import re
  import struct
  import sys
  import sysconfig
  import warnings
  from ._typing import TYPE_CHECKING, cast
label_desc: Use image node_id 20 for calling a global function with example usage: _get_glibc_version() and returns: _glibc_version, _glibc_version