Piano.py

import time
import os
import pyaudio
import wave
import os
import platform
import time

twinkle = ['c', 'c', 'g', 'g', 'a', 'a', 'g', '<pause>', 
           'f', 'f', 'e', 'e', 'd', 'd', 'c', '<pause>',
           'g', 'g', 'f', 'f', 'e', 'e', 'd', '<pause>',
           'g', 'g', 'f', 'f', 'e', 'e', 'd', '<pause>',
           'c', 'c', 'g', 'g', 'a', 'a', 'g', '<pause>',
           'f', 'f', 'e', 'e', 'd', 'd', 'c']

def find_key(key):
    wav = key + ".wav"
    path_to_user = os.path.expanduser('~')
    path_to_key = os.path.join(path_to_user, 'Desktop', 'keys', wav)
    return path_to_key        

def play_note(key):
    chunk = 1024
    path_to_key_file = find_key(key)
    f = wave.open(path_to_key_file,"rb")
    p = pyaudio.PyAudio()
    s = p.open(format = p.get_format_from_width(f.getsampwidth()),  
                channels = f.getnchannels(),  
                rate = f.getframerate(),  
                output = True) 
    d = f.readframes(chunk)
    while d != '':  
        s.write(d)  
        d = f.readframes(chunk)
    s.stop_stream()  
    s.close()  
    p.terminate()

def play_music():
    for note in twinkle:
        # add an IF condition below that checks to see if the note is '<pause>'
        if note == '<pause>':
            time.sleep(0.65)
        else:
            play_note(note)
            
play_music()