from time import sleep
melody = [
("G5", 0.25),
("B5", 0.25),
("D6", 0.50),
("B5", 0.25),
("A5", 0.25),
("G5", 0.25),
("E5", 0.50),
("G5", 0.25),
("D6", 0.25),
("E6", 0.25),
("D6", 0.50),
("B5", 0.25),
("A5", 0.25),
("G5", 0.75),
]
for note, duration in melody:
play_note(note, duration)
sleep(duration)