A Hard Riddle

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Avatar of makosharksjj

I have keys, but no lock. I have space, but no room. You can enter, but you can't go outside. What am I?

Avatar of KarmaMan101

great riddle!

 

Avatar of I_wove_pancakes

piano?

 

Avatar of ChessIntuition0906

Im deleting comments to make sure no one sees answer

Avatar of KarmaMan101

smart

 

Avatar of MappCar32

A keyboard!

Avatar of ChessIntuition0906

.