piano.py(도,레,미,파,솔 소리내기)

import RPi.GPIO as GPIO
import time

BUZZER = 12

GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(BUZZER,GPIO.OUT)

p = GPIO.PWM(BUZZER,261.6)
p.start(50)

try:
    while True:
        p.start(50)
        p.ChangeFrequency(261.6)
        time.sleep(1.0)
        p.ChangeFrequency(293.6)
        time.sleep(1.0)
        p.ChangeFrequency(329.6)
        time.sleep(1.0)
        p.ChangeFrequency(349.2)
        time.sleep(1.0)
        p.ChangeFrequency(391.9)
        time.sleep(1.0)
        p.stop()
        time.sleep(1.0)
except KeyboardInterrupt:
    pass
p.stop()
GPIO.cleanup()