# Import required libraries
from time import sleep
from machine import Pin

# led connected to Pin 8 - red
rled = Pin(9, Pin.OUT, value=0)
gled = Pin(8, Pin.OUT, value=0)
bled = Pin(7, Pin.OUT, value=0)
# pull-up switches connected to pin 6 (r1)
btn = Pin(6, Pin.IN, Pin.PULL_UP)
# Variable for state
state = 0

# pull-up switches connected to pins 6 (r1)
btn = Pin(6, Pin.IN, Pin.PULL_UP)
while True:
    try:
        if btn.value() == 0:
            state = state+1
            if (state > 4):
                state = 0
            if state == 1:
                rled.on()
                gled.off()
                bled.off()
                print(f"LEDS: {rled.value()} {gled.value()} {bled.value()}")
            elif state == 2:
                rled.off()
                gled.on()
                bled.off()
                print(f"LEDS: {rled.value()} {gled.value()} {bled.value()}")
            elif state == 3:
                rled.off()
                gled.off()
                bled.on()
                print(f"LEDS: {rled.value()} {gled.value()} {bled.value()}")
            elif state == 4:
                rled.on()
                gled.on()
                bled.on()
                print(f"LEDS: {rled.value()} {gled.value()} {bled.value()}")
            else:
                rled.off()
                gled.off()
                bled.off()
                print(f"LEDS: {rled.value()} {gled.value()} {bled.value()}")
            sleep(0.2)
        else:
            sleep(0.01)
    except KeyboardInterrupt:
        break
rled.off()
gled.off()
bled.off()
print(f"Finished.")