4. Names for Turtles¶
Use assignment to name objects like turtles and screens.
Ask turtle objects to perform actions.
Introduce the concept of a procedure, which does some action, but doesn’t return a value.
Introduce some turtle procedures like
Demonstrate that you can create more than one object of a type.
Demonstrate that using the right object at the right time, in order, is critical to success.
- 4.1. Turtles as Objects
- 4.2. Procedures and Functions
- 4.3. Errors in Programs
- 4.4. Turtle Procedures
- 4.5. Single and Multiple Turtles
- 4.6. Turtle Coordinates
- 4.7. Turtle Art
- 4.8. Chapter Summary
- 4.9. Mixed Up Code Practice
- 4.10. Chapter Exercises