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There is no straight answer to it. 

We subconsiously get better and better in creativity that means when you play an instrument, imagine a stage - imagine an audiance who listing to you. Now the show begins you calm your self first and decide what you are gonna play. Even it's a small peice of music - play it for them and take the nonaudible applause. This may be very strange theory but works for me. You create the better ambiance if you are playing it alone. 

Casio is company which makes digital pianos and keyboards etc.

If I understand your question you would have meant Keyboard(casio), most people does it.

Keyboard is digital insturment, smaller and cheaper as well while Piano is an stringed instrument comes with 88  keys in it. 

The Feel of the strings (the tension is low in case of the electric guitar, compared to the acoustic one), the spacing of the frets (the frets are slightly farther apart in case of the electric guitar), the stem is slightly thiner compared to the box guitar.

So the feel while playing diff and also the strumming styles will be different based on the effect used on the electric one and the chord shapes will be different, 

Since the strings are of low tension , bending and tremelo will be easy