import light
import time
import buzzer
import drive

黑线数量 = None


while True:
  print(light.get_optical_sensor(1))
  time.sleep_ms(int(1000))

声音1 = buzzer.sound(int(880), 0.1, volume=int(20))
黑线数量 = 0
while True:
  drive.drive_rpm(50, 50)
  if light.get_optical_sensor(3) < 50:
    黑线数量 = 黑线数量 + 1
    声音1.play()
    time.sleep_ms(int(500))