<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def file_saved_in_editorstack(self, editorstack_id_str,
 original_filename, filename):

 """A file was saved in editorstack, this notifies others"""

        for editorstack in self.editorstacks:
            if str(id(editorstack)) != editorstack_id_str:
                editorstack.file_saved_in_other_editorstack(original_filename,
                                                            filename)