What does piano have?

Answer:
A piano has black keys and white keys. on the white keys the notes include of - C,D,E,F,G,A,B and the black keys are called sharps and flats. W=white key, B=black key. WBWBWWBWBWBWW
C D E F G A B C
I know I've written this very confusingly but I hope some of it helped :)
First answer by ID2044180665. Last edit by ID2044180665. Question popularity: 1 [recommend question].