import machine
from time import sleep

# Define pin numbers for switches connected to the multiplexer
mux_select_pins = [26, 27]  # Pins for selecting input on the multiplexer

# Define pin numbers for push buttons and LEDs
button_pins = [16, 17, 18]  # Pins connected to push buttons
led_pins = [7, 8, 9, 10, 11, 12, 13, 14, 15]  # Pins connected to LEDs

# Define correct passcode
correct_passcode = [0, 0, 2]

# Initialize variables
pressed_buttons = []

# Function to read the state of switches via multiplexer
def read_switches():
    binary_value = 0
        # Set the value of select pin for mux2 (GPIO 27) to 0
            machine.Pin(mux_select_pins[1], machine.Pin.OUT).value(0)
                # Set the value of select pin for mux1 (GPIO 26) to 1
                    machine.Pin(mux_select_pins[0], machine.Pin.OUT).value(1)
                        sleep(0.01)  # Wait for multiplexer to settle
                            for i, pin in enumerate(button_pins):
                                    binary_value |= machine.Pin(pin).value() << i
                                        return binary_value

                                        def toggle_output(passcode):
                                            if passcode == correct_passcode:
                                                    print("Correct passcode entered.")
                                                        else:
                                                                print("Incorrect passcode.")

                                                                # Main loop
                                                                while True:
                                                                    # Read switches
                                                                        switches_value = read_switches()
                                                                            # Add the value of switches to pressed_buttons list
                                                                                pressed_buttons.append(switches_value)
                                                                                    # Sleep to debounce buttons and reduce CPU load
                                                                                        sleep(0.1)

                                                                                            for pin in button_pins:
                                                                                                    button_pin = machine.Pin(pin, machine.Pin.IN, machine.Pin.PULL_DOWN)
                                                                                                            print("Pin", pin, "initialized as", button_pin)