turtle is an api availiable on Turtles, which controls their movement.
Functions in the Turtle API:
turtle.forward()
turtle.back()
turtle.up()
turtle.down()
turtle.turnLeft()
turtle.turnRight()
turtle.select( slotNum )
turtle.getItemCount( slotNum )
turtle.getItemSpace( slotNum )
turtle.dig()
turtle.digUp()
turtle.digDown()
turtle.place()
turtle.placeUp()
turtle.placeDown()
turtle.detect()
turtle.detectUp()
turtle.detectDown()
turtle.drop()
