import RPi.GPIO as GPIO
import time
TRIG_PIN  = 6
ECHO_PIN  = 7
GPIO.setmode(GPIO.BCM)
GPIO.setup(TRIG_PIN,GPIO.IN)
GPIO.setup(ECHO_PIN,GPIO.OUT)
try:
while True:
    GPIO.OUTPUT(TRIG_PIN,True)
    sleep(0.00001)
    GPIO.OUTPUT(TRIG_PIN,False)
    while(GPIO.INPUT(ECHO_PIN) == 0):
        pulse_start = time.time()
    while(GPIO.INPUT(TRIG_PIN) == 1):
        pulse_end = time.time()
duration = pulse_end - pulse_start
distance = duration*(34300/2)
print(f"distance:{distance}")
except KeyboardInterrupt:
    print("Exiting")
    GPIO.cleanup()