from machine import Pin

led_red = Pin(1, Pin.OUT)
led_orange = Pin(5, Pin.OUT)
led_blue = Pin(9, Pin.OUT)
led_yellow = Pin(13, Pin.OUT)

while 1:
    color = input('input color ')
    if color == 'red':
        led_red.on()
        led_orange.off()
        led_blue.off()
        led_yellow.off()
        print('RED is ON')
    if color == 'orange':
        led_orange.on()
        led_red.off()
        led_blue.off()
        led_yellow.off()
        print('ORANGE is ON')
    if color == 'blue':
        led_blue.on()
        led_orange.off()
        led_red.off()
        led_yellow.off()
        print('BLUE is ON')
    if color == 'yellow':
        led_yellow.on()
        led_orange.off()
        led_red.off()
        led_blue.off()
        print('YELLOW is ON')