Week 4: Objects and classes

• What is an object?
• Surprise: we’ve been using objects!
• Which are method calls?
• Creating objects: constructors
• Using constructors
• Defining objects: classes
• Constructors
• Working with fields
• Sum
• Defining methods
• Adder
• Private fields with __
• SmallCounter
• Printing objects out
• Sum with __repr__
• Objects and classes: recap
• Finding your way around
• Explaining what you’re about
• Doctest: putting your tests in your documentation
• Testing mean
• Inheritance
• Inheritance
• Classy testing
• Testing median