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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_vpn_status(self):
 """Returns None if no VPN active, Id if active."""

        # Sleep for a bit to let any changes in state finish
        sleep(0.3)
        # Check if any active connections are a VPN
        bus = SystemBus()
        ids = []
        for name in self.active:
            conn = bus.get(".NetworkManager", name)
            if conn.Vpn:
                ids.append(conn.Id)
        # No active VPN
        return ids