from  machine import Pin 
import time
led_b = Pin(23, Pin.OUT)
led_j = Pin(19, Pin.OUT)
led_r = Pin(4, Pin.OUT)
led_v = Pin(22, Pin.OUT)
button_b = Pin(21, Pin.IN, Pin.PULL_UP)
button_j = Pin(18, Pin.IN, Pin.PULL_UP)
button_r = Pin(5, Pin.IN, Pin.PULL_UP)
button_v = Pin(2, Pin.IN, Pin.PULL_UP)
while True:
    if button_b.value() == 0:
        led_b.value(1)
    else:
        led_b.value(0)
    time.sleep (0.01)

    if button_j.value() == 0:
        led_j.value(1)
    else:
        led_j.value(0)
    time.sleep (0.01)
    if button_r.value() == 0:
        led_r.value(1)
    else:
        led_r.value(0)
    time.sleep (0.01)
    if button_v.value() == 0:
        led_v.value(1)
    else:
        led_v.value(0)
    time.sleep (0.01)