from machine import Pin, PWM
from time import sleep

# Initialize pins
button1 = Pin(16, Pin.IN, Pin.PULL_UP)  # Button 1 with internal pull-up resistor
button2 = Pin(17, Pin.IN, Pin.PULL_UP)  # Button 2 with internal pull-up resistor
led1 = Pin(14, Pin.OUT)  # LED 1
led2 = Pin(27, Pin.OUT)  # LED 2
led3 = Pin(25, Pin.OUT)  # LED 3
buzzer = PWM(Pin(32,Pin.OUT)) 
buzzer.duty(0) #off buzzer

def buzz(freq,masa):
    buzzer.duty(50) #on buzzer
    buzzer.freq(freq)
    sleep(masa)
    buzzer.duty(0) #off buzzer   

while True:
    input1 = button1.value()  # Read button 1 state
    input2 = button2.value()  # Read button 2 state

    if input1 == 0:  # Button 1 pressed (LOW)
        buzz(300,0.2)
    else:
        led1.value(0)  # Turn LED 1 OFF

    if input2 == 0:  # Button 2 pressed (LOW)
        led1.on()  # Turn LED 2 ON
        led2.off()
        led3.off()
        sleep (0.2)

        led1.off()
        led2.on()
        led3.off()
        sleep (0.2)

        led1.off()
        led2.off()
        led3.on()
        sleep (0.2)

    else:
        led1.value(0)  # Turn LED OFF
        led2.value(0)
        led3.value(0)

    sleep(0.01)  # Small delay to debounce the buttons (optional)