from machine import Pin
from time import sleep 
r = Pin(16,Pin.OUT)
b = Pin(0,Pin.OUT)
g = Pin(4,Pin.OUT)
led = Pin(17,Pin.OUT)
while True:
  #red
  r.value(0)
  b.value(1)
  g.value(1)
  sleep(2)
  #blue
  r.value(1)
  b.value(0)
  g.value(1)
  sleep(2)
  #green
  r.value(1)
  b.value(1)
  g.value(0)
  sleep(2)
  #red&blue
  r.value(0)
  b.value(0)
  g.value(1)
  sleep(2)
  #blue&green
  r.value(1)
  b.value(0)
  g.value(0)
  sleep(2)
  #red&green
  r.value(0)
  b.value(1)
  g.value(0)
  sleep(2)
  #r&b&g
  r.value(0)
  b.value(0)
  g.value(0)
  sleep(2)
  #off
  r.value(1)
  b.value(1)
  g.value(1)
  led.value(1)
  sleep(2)
  led.value(0)