Lectures

The online reading is Loop Invariants.

Today we discuss how to design algorithms for while-loops. We introduce loop invariants, which are powerful programming technique.    Watch ›

The reading for this lecture is Chapter 7.

Today we introduce while-loops, which are an alternate form of iteration. We show why they are different from for-loops, and when to use them.    Watch ›

The online reading is Exceptions in Python.

Typing is the act of determining the type of a value. Today we question why typing is so important, and show some challenges of typing.    Watch ›

There is no supplementary reading for this lecture.

We have seen several mysterious double-underscore methods in Python classes. In this lecture show why these methods are so important.    Watch ›

The reading for this lecture is Chapter 18.

This lecture introduces subclasses, which can add extra functionality to an existing class. Subclasses and inheritance important parts of object oriented programming.    Watch ›