import time
time.sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")

from machine import Pin 
led=Pin(16,Pin.OUT)
delay=0.1

for i in range(10):
    led.toggle()
    print("led value:",led.value())
    time.sleep(delay)
    
print("loop start")
while True:
    led.toggle()
    print("led value:",led.value())
    time.sleep(delay)