import sr04
from utime import sleep
sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")
while 1:
    dist=sr04.get_cm()
    print(dist)
    sleep(0.3)
BOOTSELLED1239USBRaspberryPiPico©2020RP2-8020/21P64M15.00TTT