text: import RPi.GPIO as GPIO
  import time
  
  
  GPIO.setmode(GPIO.BCM)
  
  GPIO_TRIGGER = 14
  GPIO_ECHO = 15
  
  GPIO.setup(GPIO_TRIGGER,GPIO.OUT)
  GPIO.setup(GPIO_ECHO, GPIO.IN)
  
  def Distance():
      GPIO.output(GPIO_TRIGGER,True)
      
      time.sleep(0.00001)
      GPIO.output(GPIO_TRIGGER,False)
      
      StartTime = time.time()
      StopTime = time.time()
      
      while GPIO.input(GPIO_ECHO)==0:
          StartTime = time.time()
      while GPIO.input(GPIO_ECHO)==1:
          StopTime = time.time()
      
      TimeElasped = StopTime-StartTime
      distance = (TimeElasped*34300)/2
      
      return distance
  
      
  #try:
  #    while True:
   #       dist = distance()
    #      print("Measured Distance = %.1f cm" %dist)
     #     time.sleep(1)
  
  #except KeyboardInterrupt:
   #   print("Measurement stop by user")
    #  GPIO.cleanup()
  