from machine import Pin 
import time 

Pink = Pin(18, Pin.OUT)
Purple = Pin(0, Pin.OUT)
Blanco = Pin(5, Pin.OUT)

Pink.value (1)
time.sleep (1)
Purple.value(1)
time.sleep(1)
Blanco.value(1)
time.sleep(1)

time.sleep(3)
Pink.value(0)
Purple.value(0)
Blanco.value(0)