Lectures
Click on a lecture to see the summary of that day, together with optional reading or viewing. You can also download the slides and any demo code.
It is Cornell policy that we do not record lectures. You are expected to attend in order to learn the material. You may review the lesson videos recorded during COVID for supplemental instruction, though that material is different from what is covered this semester.
Conditionals and Program Flow
|
This lecture references Lesson 9. In this lecture, we demonstrate the difference between program structure and program flow. We also introduce our first control structure: the conditional. More › |
| September 15, 2026 | handout | slides | demos |
Specifications and Testing
|
This lecture references Lessons 7 and 8. In this lecture we introduce the concept of testing as a formal process. This material forms the basis of software engineering. More › |
| September 10, 2026 | handout | slides | demos |
Strings
|
This lecture references Lesson 6. In this lecture we introduce how to process text in Python. These techniques will be used in the first assignment. More › |
| September 8, 2026 | handout | slides | demos |
User-Defined Functions
|
This lecture references Lesson 5. In this lecture we introduce how to define our own functions. We also develop a mental model for executing functions. More › |
| September 3, 2026 | handout | slides | demos |
Functions and Modules
|
This lecture references Lesson 3 and videos 4.5-4.4 of Lesson 4. In this class we talk about how to import optional features into Python. We also show how to make program files we can run. More › |
| September 1, 2026 | handout | slides | demos |