Learning tool designed to drill the user on the distance between random note pairs to help reinforce a sense of scale geometry.

music_note_distance_trainer.py

import random


def get_notes():
	return ['c', 'c#', 'd', 'd#', 'e', 'f', 'f#', 'g', 'g#', 'a', 'a#', 'b']


def get_note_pair():
        x = random.choice(range(0, len(get_notes()) - 1))
        y = random.choice(range(x+1, len(get_notes())))
        return (x, y)


def prompt_question(pair):
        print(f'Distance between the notes {get_notes()[pair[0]]} and {get_notes()[pair[1]]}?')


def reveal_answer(note_pair):
        print(f'The distance between {get_notes()[note_pair[0]]} and {get_notes()[note_pair[1]]} is {note_pair[1]-note_pair[0]}')


if __name__ == '__main__':
        pair = get_note_pair()
        prompt_question(pair)
        answer = int(input('Answer:'))
        diff = pair[1] - pair[0]
        if diff == answer:
                print('correct.')
        else:
                print(f'Incorrect. The difference is {diff}')
                print(f'{get_notes()[pair[0]:pair[1]+1]}')