Here's a short and sweet riddle.

You might have heard not to mess with me.

Hit me once and it's on.

Hit me again and it's lights out for you!

Who or what is it?


Is it

a light switch?

If I hit you once

I'll turn the lights on

If I hit you again

I'll turn the lights off

  • $\begingroup$ i was trying to hide the answer like that. how can i do it? $\endgroup$ May 7 '15 at 16:29
  • 2
    $\begingroup$ Welcome to Puzzling msm.oliveira! I have edited you answer to include spoiler tags ">!" so that your answer is hidden for people who do not wish to see possible solutions. For a multi-line spoil tag use ">! <br>" to add a new line $\endgroup$
    – Mark N
    May 7 '15 at 16:29
  • $\begingroup$ ok.Thanks. i was looking here where i could hide the text $\endgroup$ May 7 '15 at 16:32

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