def insertLine(n=1):
        """
        Insert n lines at the cursor position.

        Lines below the cursor are shifted down.  Lines moved past the bottom margin are lost.
        This command is ignored when the cursor is outside the scroll region.
        """

        Insert n lines at the cursor position.

        Lines below the cursor are shifted down.  Lines moved past the bottom margin are lost.
        This command is ignored when the cursor is outside the scroll region.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/insults/insults.py