code: def configure_vrf(self, vrf_name, commands):
          
          commands = make_iterable(commands)
          commands.insert(0, 'vrf definition %s' % vrf_name)
          return self.configure(commands)
docs: Configures the specified VRF using commands
  
          Args:
              vrf_name (str): The VRF name to configure
              commands: The list of commands to configure
  
          Returns:
              True if the commands completed successfully