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  Learning Objectives
  You can write a simple program and draw figures on the screen with the turtle.
  You can change the color of the lines and areas, and also adjust the line width.
  You know how the turtle can repeat statements several times.
  You know how to run parts of the program only under certain conditions.
  You can define your own commands with parameters.
  You know what variables are and you can use them in your programs.
  You know what recursion is and you can write simple recursive programs.
  You can create turtle objects and use multiple turtles simultaneously.





"A turtle is located at a certain place and it also has a certain viewing direction. Therefore, a turtle is like a person... children can identify with the turtle and can transfer their knowledge of their bodies into the learning of geometry."

Seymour Papert