code: def get_ext_suffix():
      """Determine library extension for various versions of Python."""
      ext_suffix = sysconfig.get_config_var("EXT_SUFFIX")
      if ext_suffix:
          return ext_suffix
  
      ext_suffix = sysconfig.get_config_var("SO")
      if ext_suffix:
          return ext_suffix
  
      return ".so"
  
file_path: byteps/byteps/common/__init__.py
imports: import ctypes
  import os
  import sysconfig
  import atexit
label_desc: Use image node_id 1 for calling a global function with example usage: get_ext_suffix() and returns: str, ext_suffix, ext_suffix