Python Programming in Context, 3rd Edition

APPENDIX C

turtle Reference

The definitive guide to the turtle module can be found at http://docs.python.org/3.8/library/turtle.html.

C.1 Basic Move and Draw

• forward(distance) Move forward along the current heading by distance units.

• backward(distance) Move backward along the current heading by distance units.

• right(angle) Turn the turtle right by angle degrees.

• left(angle) Turn the turtle left by angle degrees.

• goto(pos, y=None) Move the turtle to an absolute position. If the tail is down, then a line will be drawn. The turtle’s orientation does not change. The position may be specified by a pair of numbers, or a tuple representing ...