Gain insights into Python 3 by learning basic concepts like keywords and data types, and delving into 50 code puzzles that enhance your understanding of classes and functions.

This course acts as a stepping stone to becoming a Python master. Before getting into advanced concepts like classes and functions, the course begins with Python's basic concepts, such as keywords and data types. Later in this course, you'll be going through 50 code puzzles that will teach you different concepts in Python 3.

An Intro to Python 3

## Puzzle 23

**What is the output of the following code?** 

> **Note**: Enter the output you guessed. If your guessed output is a list, **enter each element of the list separated by a comma**. Then, press the **Run** button, and your new Elo will be calculated. Don't forget to save your Elo rating.

# Puzzle 23

**What is the output of the following code?** 

> **Note**: Enter the output you guessed. If your guessed output is a list, **enter each element of the list separated by a comma**. Then, press the **Run** button, and your new Elo will be calculated. Don't forget to save your Elo rating.

Understand how to use slice assignment, default arguments, slicing, the length function, and nested lists in Python.

Introduction

A Quick Overview of the Python Language

Fifty Code Puzzles

The Final Remarks

Puzzles 23 to 26

Puzzle 23