1. LING 408/508: Programming for Linguists Lecture 25 December 2 nd

2. Last Time Monte Carlo Simulation Player A has an unfair advantage!

3. 100,000 games

4. 1,000,000 games

5. rball2.py Let's make it fair:

6. rball2.py Let's make it fair: swap serves

7. 100,000 games

8. 1,000,000 games

9. Chapter 10: Defining Classes

10. Chapter 10: MSDie Multi-Sided Die: self is just a conventional name for the implicit 1 st argument to all methods inside the class: could call it anything …

11. Chapter 10: MSDie From last lecture: – library module random

12. Chapter 10: Projectile Cannonball example: – how far does a cannonball fly? – parameters: launch angle height above ground initial velocity – gravity: 9.8 ms -2 – (without calculus) simulation: time interval

13. Chapter 10: Projectile

14. Object-oriented style: – assume a Projectile class: method update()

15. Documentation Triple quoted documentation strings – can span multiple lines help(module) help(module.method) print module.method.__doc__

16. Documentation

17. Chapter 10: Projectile

21. projectile2.py sys.argv list of command line arguments sys.exit(1) quit with exit code 1