code: def get_file(self, file, **kwargs):
          
          file_id = obj_or_id(file, "file", (File,))
  
          response = self.__requester.request(
              'GET',
              'files/{}'.format(file_id),
              _kwargs=combine_kwargs(**kwargs)
          )
          return File(self.__requester, response.json())
docs: Return the standard attachment json object for a file.
  
          :calls: `GET /api/v1/files/:id \
          <https://canvas.instructure.com/doc/api/files.html#method.files.api_show>`_
  
          :param file: The object or ID of the file to retrieve.
          :type file: :class:`canvasapi.file.File` or int
  
          :rtype: :class:`canvasapi.file.File`