from HCSR04 import HCSR04
import time
sr04_R=HCSR04(trigPin=18, echoPin=19)
sr04_L=HCSR04(trigPin=14, echoPin=12)
try:
    while True:
        try:
            print('Left Distance:',sr04_L.distance(),'cm')
            print('Right Distance:',sr04_R.distance(),'cm')
        except Exception as e:
            print(e.args[0])
        time.sleep(1)
except KeyboardInterrupt:
    print('Program stopped!')