CS 3101-1 - Programming Languages: Python

Object Oriented Python

Modules

CS 3101-1 - Programming Languages: Python

Lecture 3: OOP, Modules, Standard Library I

Daniel Bauer (bauer@cs.columbia.edu)

October 1 2014

Daniel Bauer

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Object Oriented Python

Modules

Contents

Object Oriented Python

Modules

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Object Oriented Python

Modules

Object Oriented Python

Modules

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Object Oriented Python

Modules

Object Oriented Programming in Python

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Object Oriented Programming (OOP) is at the core of

Python.

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Everything is an object!

Operations are methods on objects.

Modularization.

We have seen examples of objects already:

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Objects of built-in data types (int, str, list, dict ... ).

Functions.

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Can create our own types (classes).

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Python does not enforce OOP (unlike Java), but we need to

understand at least what is going on.

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Object Oriented Python

Modules

Objects, Attributes, Methods, Classes

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Classes:

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User defined types of objects (including their methods,

attributes, relations to other objects).

Can be instantiated into an object / is a ¡®blueprint¡¯ that

describes how to build an object.

Knights can eat, sleep, have a favorite color, and a title.

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