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

In the [previous lesson](https://www.educative.io/courses/intro-python-3/basic-data-types), you learned about basic data types. These are the building blocks for complex data types. Think of complex data types as containers, each holding many (potentially different) data types.

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# List

> A **list** is a container data type that stores a sequence of elements. 

It is an ordered sequence of data values (either basic or complex data types). An example for such an ordered sequence is the list of all presidents of the United States: 

`['Washington', 'Adams', 'Jefferson', ..., 'Obama', 'Trump']`

Unlike strings, lists are mutable. In other words, modification is possible.

## Example
An example of a list is as below:

Introduction

A Quick Overview of the Python Language

Fifty Code Puzzles

The Final Remarks

Complex Data Types

List