Here is a sample course outline for a Python3 course with 20 chapters of instruction.
Introduction to Python
Variables, Data Types, and Operators
Input and Output in Python
Control Flow
Functions
Modules and Packages
Strings and Regular Expressions
Lists and Tuples
Dictionaries and Sets
Exception Handling
Object-Oriented Programming
Classes and objects
Inheritance
Polymorphism
Decorators
Understanding decorators
Using decorators in Python
Generators
Understanding generators
Using generators in Python
File Handling
Understanding file handling
Reading and writing files
Working with CSV files
Debugging and Testing
Debugging techniques
Unit testing in Python
Advanced Topics
Multithreading
Multiprocessing
Network programming
Database Integration
Connecting to databases
Performing CRUD operations
Web Development with Python
Introduction to web development
Flask framework
Advanced Web Development
Django framework
Deploying applications to the web
Project Work
Building a real-world project
Integrating various concepts learned in the course