<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _do_notebook(self, name, convert_notebooks=False):
 """Called by do_notebook to actually run the notebook."""

        if convert_notebooks:
            self.convert_and_execute_notebook(name)
        else:
            self.execute_notebook(name)