from machine import Pin
from hcsr04 import HCSR04
from random import choice
from time import sleep

ultra = HCSR04(5, 18)


while True:
  my_list = [ultra.get_distance_cm(), ultra.get_distance_mm()]
  chosen = choice(my_list)
  print("Distance: ", chosen[0], chosen[1] )
  sleep(1)