from machine import Pin
from time import sleep
led_pins=range(10,0,-1)
button=Pin(16,Pin.IN)
count=1
while True:
    if button.value()==1:
        if count<=10:
            pin_number=11-count
            led=Pin(pin_number,Pin.OUT)
            led.value(1)
            count+=1
        sleep(0.3)