how do i make this script work?

what would i put there to make it go to the top of the script or to the END* before the section of script?

    ~~~~~~~~~~~~~~~~~
    A = game.Workspace.part.color

    A = random

    -- HERE IS WHERE I NEED HELP!!!!! --
    ~~~~~~~~~~~~~~~~~

• ~~~~~~~~~~~~~~~~~
  end -- this is where i want it to go back to
  
  game.Workspace.part.color = A
  
  A = random
  
  -- HERE IS WHERE I NEED HELP!!!!! --
  ~~~~~~~~~~~~~~~~~