Unit 3

Unit 3: Functions

Work through the lessons below in order. Each lesson includes short explanations and runnable code.

Lessons

1. 1. What Are Functions
2. 2. Defining and Calling Functions
3. 3. Parameters and Arguments
4. 4. Return Statements
5. 5. Variable Scope & Lifetime
6. 6. Default & Optional Parameters
7. 7. Docstrings & Documentation
8. 8. Nested & Helper Functions
9. 9. Lambda Functions
10. 10. Practical Function Examples