very good. you must learn all the notes from low Bb to high F.
but not only learn the notes, become smooth and confident with each passing note. practise the 2 1/2 octave (low Bb to hi F) playing semi tones for at least an hour each day…Bb, B, C, C#, D, D#, E etc all the way to high F, then come back down.
each time you stop or make a mistake, go up 2 or 3 notes and continue until it goes smooth