Fretboard Tutor: A quick program I wrote to help me memorize notes on the fretboard when I don't have my guitar with me!

FretboardMemorizationTool.py

import random
import os

# Settings
gameRange = (0, 5) # 0 is low E, 5 is high E.
strings = ["E", "A", "D", "G", "B", "e"] # works with other tunings too, i think
showOnlyFretboard = True



clear = lambda: os.system('cls' if os.name == 'nt' else 'clear')




def getGuitarNote(string, fret):
    notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"]
    # get the note of the open string

    note = notes.index(string.upper())
    # add the fret number to the note
    note += fret
    # if the note is greater than 12, subtract 12
    if note >= 12:
        note -= 12
 
    return notes[note]




def printFretBoard(render):
    # prints out a  guitar fretboard, and fret markers
    for i in reversed(range(0, 6)):
        print(strings[i], end=" " if len(strings[i]) == 1 else "")
        for j in range(1, 25):
            if (strings[i], j) in render:
                print(render[(strings[i], j)], end="|")
            else:
                print("-", end="|")
        print("")
    print("      •   •   •   •     ••")




def findNoteGivenFret():
    fret = random.randint(0,12)
    string = random.randint(gameRange[0], gameRange[1])
    if showOnlyFretboard:
        print("What is this note?")
    else:
        print("What note is on the " + str(fret) + "th fret of the " + (strings[string]) + " string?")
    printFretBoard({(strings[string], fret): "X"})
    answer = input("Enter the note: ").upper()
    if answer == getGuitarNote(strings[string], fret % 12):
        print("Correct!")
    else:
        print("Incorrect! The correct answer is", getGuitarNote(strings[string], fret))
    
def findFretGivenNoteQuiz():
    note = random.randint(0,12)
    string = random.randint(gameRange[0], gameRange[1])
    print("What fret is the " + (strings[string]) + " string and the " + getGuitarNote(strings[string], note) + " note?")
    
    printFretBoard({})
    answer = input("Enter the fret number: ")
    if answer == note or int(answer) % 12 == note:
        print("Correct!")
    else:
        print("Incorrect! The correct answer is fret", note)


while True:
    clear()
    if random.randint(0,1) == 0:
        findNoteGivenFret()
    else:
        findFretGivenNoteQuiz()
    input("Press enter to continue...")