Minecraft PE changed to Minecraft PC?!

Ok here s the deal,

I was building my house and I thought that my sheep should have a play mate. So I decided to try and change survival to creative just for a bit so I can spawn my other sheep. Anyway I did some commands (/gamemode c, /gamemode1, and /gamemode 0) anyway none of them worked so i thought oh well doesn t matter. I got out of mine craft and did some other stuff. I got back in no later than a minute after I exited and the game has changed to PC version. The food bar is there, potions, ect. I have no mods or apps. So how do I get back my original game. What commands do I use?

Thanks,
Sarah

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