Intermediate Course

The air hums with logic. Here, we build the brains of the digital world.

Mission 1

Thinking in Objects: Why OOP Matters

Mission 1

Thinking in Objects: Why OOP Matters

Mission 2

Introduction to Classes and Objects

Mission 2

Introduction to Classes and Objects

Mission 3

Creating Your First Class

Mission 3

Creating Your First Class

Mission 4

Object Attributes and Methods

Mission 4

Object Attributes and Methods

Mission 5

The Constructor (init) Explained

Mission 5

The Constructor (init) Explained

Mission 6

Accessing and Modifying Attributes

Mission 6

Accessing and Modifying Attributes

Mission 7

Calling Methods on Objects

Mission 7

Calling Methods on Objects

Mission 8

Designing Simple Real-World Classes

Mission 8

Designing Simple Real-World Classes

Mission 9

Objects Interacting with Each Other

Mission 9

Objects Interacting with Each Other

Mission 10

Mini Goal: Simple Bank Account Class

Mission 10

Mini Goal: Simple Bank Account Class

Mission 11

Inheritance Basics

Mission 11

Inheritance Basics

Mission 12

Extending Classes

Mission 12

Extending Classes

Mission 13

Overriding Methods

Mission 13

Overriding Methods

Mission 14

Using super()

Mission 14

Using super()

Mission 15

Multi-Level Inheritance Concept

Mission 15

Multi-Level Inheritance Concept

Mission 16

When to Use Inheritance

Mission 16

When to Use Inheritance

Mission 17

Avoiding Common Inheritance Mistakes

Mission 17

Avoiding Common Inheritance Mistakes

Mission 18

Composition vs Inheritance

Mission 18

Composition vs Inheritance

Mission 19

Object-Oriented Thinking

Mission 19

Object-Oriented Thinking

Mission 20

Mini Goal: Vehicle Class Hierarchy

Mission 20

Mini Goal: Vehicle Class Hierarchy

Mission 21

Introduction to Modules

Mission 21

Introduction to Modules

Mission 22

Using Python Standard Modules

Mission 22

Using Python Standard Modules

Mission 23

Importing Specific Functions

Mission 23

Importing Specific Functions

Mission 24

Creating Your Own Modules

Mission 24

Creating Your Own Modules

Mission 25

Module Organization

Mission 25

Module Organization

Mission 26

Using External Libraries

Mission 26

Using External Libraries

Mission 27

Installing Packages (pip basics)

Mission 27

Installing Packages (pip basics)

Mission 28

Understanding Module Scope

Mission 28

Understanding Module Scope

Mission 29

Best Practices for Imports

Mission 29

Best Practices for Imports

Mission 30

Mini Goal: Modular Utility Library

Mission 30

Mini Goal: Modular Utility Library

Mission 31

File Handling Basics

Mission 31

File Handling Basics

Mission 32

Reading Text Files

Mission 32

Reading Text Files

Mission 33

Writing Text Files

Mission 33

Writing Text Files

Mission 34

Appending Data to Files

Mission 34

Appending Data to Files

Mission 35

Working with CSV Files

Mission 35

Working with CSV Files

Mission 36

Reading and Writing JSON

Mission 36

Reading and Writing JSON

Mission 37

Error Handling with Files

Mission 37

Error Handling with Files

Mission 38

File Paths and Directories

Mission 38

File Paths and Directories

Mission 39

Storing Program Data

Mission 39

Storing Program Data

Mission 40

Mini Goal: Persistent Data Logger

Mission 40

Mini Goal: Persistent Data Logger

Mission 41

Lists, Dictionaries, and Sets Refresher

Mission 41

Lists, Dictionaries, and Sets Refresher

Mission 42

Advanced List Operations

Mission 42

Advanced List Operations

Mission 43

Advanced Dictionary Operations

Mission 43

Advanced Dictionary Operations

Mission 44

Using Sets for Unique Data

Mission 44

Using Sets for Unique Data

Mission 45

Nested Data Structures

Mission 45

Nested Data Structures

Mission 46

Iterating Complex Data

Mission 46

Iterating Complex Data

Mission 47

Searching and Filtering

Mission 47

Searching and Filtering

Mission 48

Data Validation Logic

Mission 48

Data Validation Logic

Mission 49

Combining Data Structures

Mission 49

Combining Data Structures

Mission 50

Mini Goal: Inventory System

Mission 50

Mini Goal: Inventory System

Mission 51

Functions Deep Dive

Mission 51

Functions Deep Dive

Mission 52

Default Arguments and Keyword Arguments

Mission 52

Default Arguments and Keyword Arguments

Mission 53

Variable-Length Arguments (*args, **kwargs)

Mission 53

Variable-Length Arguments (*args, **kwargs)

Mission 54

Lambda Functions

Mission 54

Lambda Functions

Mission 55

Using map(), filter(), and reduce()

Mission 55

Using map(), filter(), and reduce()

Mission 56

List Comprehensions

Mission 56

List Comprehensions

Mission 57

Dictionary Comprehensions

Mission 57

Dictionary Comprehensions

Mission 58

Composing Functions

Mission 58

Composing Functions

Mission 59

Higher-Order Functions

Mission 59

Higher-Order Functions

Mission 60

Mini Goal: Data Transformation Toolkit

Mission 60

Mini Goal: Data Transformation Toolkit

Mission 61

Exception Handling Advanced

Mission 61

Exception Handling Advanced

Mission 62

Multiple except Blocks

Mission 62

Multiple except Blocks

Mission 63

Finally Clause

Mission 63

Finally Clause

Mission 64

Raising Custom Exceptions

Mission 64

Raising Custom Exceptions

Mission 65

Exception Inheritance

Mission 65

Exception Inheritance

Mission 66

Handling File Errors Gracefully

Mission 66

Handling File Errors Gracefully

Mission 67

Debugging Complex Programs

Mission 67

Debugging Complex Programs

Mission 68

Logging Program Errors

Mission 68

Logging Program Errors

Mission 69

Writing Robust Code

Mission 69

Writing Robust Code

Mission 70

Mini Goal: Safe Calculator with Logging

Mission 70

Mini Goal: Safe Calculator with Logging

Mission 71

Working with Dates and Times

Mission 71

Working with Dates and Times

Mission 72

datetime Module Basics

Mission 72

datetime Module Basics

Mission 73

Formatting Dates

Mission 73

Formatting Dates

Mission 74

Calculating Time Differences

Mission 74

Calculating Time Differences

Mission 75

Timed Loops and Delays

Mission 75

Timed Loops and Delays

Mission 76

Scheduling Tasks

Mission 76

Scheduling Tasks

Mission 77

Converting Between Timezones

Mission 77

Converting Between Timezones

Mission 78

Storing Timestamps

Mission 78

Storing Timestamps

Mission 79

Combining Dates with Files

Mission 79

Combining Dates with Files

Mission 80

Mini Goal: Event Tracker App

Mission 80

Mini Goal: Event Tracker App

Mission 81

Introduction to Recursion

Mission 81

Introduction to Recursion

Mission 82

Simple Recursive Functions

Mission 82

Simple Recursive Functions

Mission 83

Recursion with Lists

Mission 83

Recursion with Lists

Mission 84

Recursion in Math Problems

Mission 84

Recursion in Math Problems

Mission 85

Base Case and Stack Understanding

Mission 85

Base Case and Stack Understanding

Mission 86

Avoiding Infinite Recursion

Mission 86

Avoiding Infinite Recursion

Mission 87

Recursive vs Iterative Solutions

Mission 87

Recursive vs Iterative Solutions

Mission 88

Using Recursion for Nested Data

Mission 88

Using Recursion for Nested Data

Mission 89

Debugging Recursive Functions

Mission 89

Debugging Recursive Functions

Mission 90

Mini Goal: Recursive Folder Size Calculator

Mission 90

Mini Goal: Recursive Folder Size Calculator

Mission 91

Organizing Larger Projects

Mission 91

Organizing Larger Projects

Mission 92

Project Folder Structure

Mission 92

Project Folder Structure

Mission 93

Separating Logic, Data, and Interface

Mission 93

Separating Logic, Data, and Interface

Mission 94

Using main Correctly

Mission 94

Using main Correctly

Mission 95

Modular Program Architecture

Mission 95

Modular Program Architecture

Mission 96

Designing Reusable Components

Mission 96

Designing Reusable Components

Mission 97

Integrating Files, Classes, and Functions

Mission 97

Integrating Files, Classes, and Functions

Mission 98

Testing Your Program End-to-End

Mission 98

Testing Your Program End-to-End

Mission 99

Debugging Multi-Module Programs

Mission 99

Debugging Multi-Module Programs

Mission 100

Intermediate Final Build: Multi-Module Library Management System

Mission 100

Intermediate Course

Thinking in Objects: Why OOP Matters

Thinking in Objects: Why OOP Matters

Introduction to Classes and Objects

Introduction to Classes and Objects

Creating Your First Class

Creating Your First Class

Object Attributes and Methods

Object Attributes and Methods

The Constructor (__init__) Explained

The Constructor (__init__) Explained

Accessing and Modifying Attributes

Accessing and Modifying Attributes

Calling Methods on Objects

Calling Methods on Objects

Designing Simple Real-World Classes

Designing Simple Real-World Classes

Objects Interacting with Each Other

Objects Interacting with Each Other

Mini Goal: Simple Bank Account Class

Mini Goal: Simple Bank Account Class

Inheritance Basics

Inheritance Basics

Extending Classes

Extending Classes

Overriding Methods

Overriding Methods

Using super()

Using super()

Multi-Level Inheritance Concept

Multi-Level Inheritance Concept

When to Use Inheritance

When to Use Inheritance

Avoiding Common Inheritance Mistakes

Avoiding Common Inheritance Mistakes

Composition vs Inheritance

Composition vs Inheritance

Object-Oriented Thinking

Object-Oriented Thinking

Mini Goal: Vehicle Class Hierarchy

Mini Goal: Vehicle Class Hierarchy

Introduction to Modules

Introduction to Modules

Using Python Standard Modules

Using Python Standard Modules

Importing Specific Functions

Importing Specific Functions

Creating Your Own Modules

Creating Your Own Modules

Module Organization

Module Organization

Using External Libraries

Using External Libraries

Installing Packages (pip basics)

Installing Packages (pip basics)

Understanding Module Scope

Understanding Module Scope

Best Practices for Imports

Best Practices for Imports

Mini Goal: Modular Utility Library

Mini Goal: Modular Utility Library

File Handling Basics

File Handling Basics

Reading Text Files

Reading Text Files

Writing Text Files

Writing Text Files

Appending Data to Files

Appending Data to Files

Working with CSV Files

Working with CSV Files

Reading and Writing JSON

Reading and Writing JSON

Error Handling with Files

Error Handling with Files

File Paths and Directories

File Paths and Directories

Storing Program Data

Storing Program Data

Mini Goal: Persistent Data Logger

The Constructor (init) Explained

The Constructor (init) Explained