code: def filelineno():
      """
      Return the line number in the current file. Before the first line
      has been read, returns 0. After the last line of the last file has
      been read, returns the line number of that line within the file.
      """
      if not _state:
          raise RuntimeError("no active input()")
      return _state.filelineno()
  
imports: import io
  import sys, os
  from types import GenericAlias
label_desc: Use image node_id 6 for calling a global function with example usage: filelineno() and returns: _state