Minecraft Pi compass. Designed to indicate NORTH with a red block and SOUTH with a black block.

piCompass.py

#!/usr/bin/python3.4
#--------------------------------------------------------------------------
# Name:        A simple compass for Minecraft Pi
# Purpose:     Designed to indicate NORTH with a red block and SOUTH with
#              a black block.
# Author:      benjo charlie
# Created:     2016
#--------------------------------------------------------------------------

# Import libraries and set up the globals
import mcpi.minecraft as minecraft
mc = minecraft.Minecraft.create()
x, y, z = mc.player.getPos()

# Use an Obsidian black block for South.
mc.setBlock(x, y, z-1, 49)

#Use a Glowing Obsidian red block for North.
mc.setBlock(x, y, z-2, 246)

mc.postToChat("Try not. Do, or do not. There is no try.")