from machine import Pin
import utime

leds= {
    "red": Pin(6,Pin.OUT),
    "green": Pin(7,Pin.OUT),
    "blue": Pin(8,Pin.OUT),    
}

while True:
    color=input("Enter color(red,green,blue):").strip().lower()
     
    if color in leds:
        for led  in leds.values():
            led.value(1)

        leds[color].value(0)
    else:
        print("Invalid Input")