How do I Pi?

pi.md

Before you begin

sudo easy_install gpiozero

The script

from gpiozero import LED
from time import sleep

yellow = LED(17)
red = LED(27)
green = LED(22)

lamps = [yellow, red, green]

while True:
  for lamp in lamps:
    lamp.on()
    sleep(0.1)
    lamp.off()
    sleep(0.1)

The Treasure Map

http://pinout.xyz/