code: def _strerror(err):
      try:
          return os.strerror(err)
      except (ValueError, OverflowError, NameError):
          if err in errorcode:
              return errorcode[err]
          return "Unknown error %s" % err
  
imports: import select
  import socket
  import sys
  import time
  import warnings
  import os
  from errno import EALREADY, EINPROGRESS, EWOULDBLOCK, ECONNRESET, EINVAL, ENOTCONN, ESHUTDOWN, EISCONN, EBADF, ECONNABORTED, EPIPE, EAGAIN, errorcode
label_desc: Use image node_id 1 for calling a global function with example usage: _strerror(err) and returns: os, unknown, errorcode