CPSC120B
Fundamentals of Computer Science I

Cool Computer Science Thing of the Day

• Foldit
• Foldit Demo

Reading Questions

Quiz

• quiz 4

Emacs Tip of the Day

• C-x 2 split window vertically
• C-x 3 split window horizontally
• C-x 1 close other windows
• C-x 0 close this window
• C-x 0 useful in conjuction with run command
• The run command in the Emacs Commands file has been updated.

Input

• Write program to convert inches to feet and inches
• Previously we would put in values, now we will use input, need to solve the problem abstractly, for any input
• Don’t for get to change the type
• Can have compound functions; don’t abuse this
• Problem solving by example, 14 inches is 1 foot and 2 inches
• Write program that substracts 12
• Constants and variables review
• Magic numbers review
• Print review
• Test with example input, test with new input 26 inches is 2 feet 2 inches
• Uh-oh, did it wrong, need to use mod
• What if the user enters invalid input? Who’s responsibility is it?

Type Conversion Functions

• int()
• float()
• str()

Lab

• lab4