from machine import Pin
import utime as time

led_pins1 = Pin(6, Pin.OUT)  
led_pins2 = Pin(7, Pin.OUT)  
led_pins3 = Pin(8, Pin.OUT) 
switch1 = Pin(2, Pin.IN, Pin.PULL_UP)
switch2 = Pin(3, Pin.IN, Pin.PULL_UP)
switch3 = Pin(4, Pin.IN, Pin.PULL_UP)
switch4 = Pin(9, Pin.IN, Pin.PULL_UP)  

while True:
    switch1_state = switch1.value()
    switch2_state = switch2.value()
    switch3_state = switch3.value()
    switch4_state = switch4.value()  

    if switch1_state == 0:
        led_pins1.on()
        led_pins2.off()
        led_pins3.off() 
    elif switch2_state == 0:
        led_pins1.off()
        led_pins2.on()
        led_pins3.off() 
    elif switch3_state == 0:
        led_pins1.off()
        led_pins2.off()
        led_pins3.on() 
    elif switch4_state == 0:
        led_pins1.off()
        led_pins2.off()
        led_pins3.off() 

    time.sleep(0.1)