Purple Turtle

>>> pen_down()
Is it just me or is this turtle purple.

http://pythonturtle.org/

>>> color("purple") 

The windows installer works perfectly.

The environment is standalone.

This turtle incorporates interactive Python interpreter 2.6

>>> color("green")

PurpleTurtle was written 3 years ago.

Might be a good candidate for a 10 minute training program. 

>>> colour ("orange")

...  The default Python prompt of the interactive shell when entering code for an indented code block.

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I say "Blogger auto-generated html is a bit clumsy."

 postscriptum
 
"Programs must be written for people to read, and only incidentally for machines to execute."
- Abelson & Sussman, SICP, preface to the first edition

The Turtle interpreter supports
>>> import this