Gain insights into Python by exploring basic to advanced concepts, including loops, classes, and GUIs with Tkinter. Delve into testing and become a productive Python programmer.

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In this course, you will get a comprehensive overview of Python. You will start by laying the foundation and learning the introductory topics like operators, conditional statements, functions, loops, assignment statements, and more. You will then move onto more advanced topics such as classes and inheritance, iterators, list comprehensions, and dictionaries. Along with this, you will also get to explore the concept of testing and take a look at how GUI applications can be designed using Tkinter, Python's standard GUI library. 

By the time you're done, you'll be able to hit the ground running and be equipped with the tools that will allow you to be productive in Python.

Python 3: From Beginner to Advanced

## Definition

A list is a sequence of values enclosed in square brackets. It is extremely versatile as you can store multiple items of different data types inside of it. A list can also be treated as if it were an array.

my_list_emp = [] # empty list
print(my_list_emp)

my_list_int = [8, 9, 10] # list of integers
print(my_list_int)

my_list_ftr = [1.25, 3.45, 6.12] # list of floats
print(my_list_ftr)

my_list_mixed = ["Buckle", 2, "Shoes"] # list of mixed data types
print(my_list_mixed)

## Indexing

Lists are also **zero-indexed**, meaning the first item in the list is assigned an index of 0. 

Therefore, if for example, a list called `my_list` is declared with **100** values, the **first** element in the list can be accessed by `my_list[0]` and the **last** element by `my_list[99]`. 

If we try to access the last element of this list by `my_list[100]`, we will encouter an error. This can be seen in the example below:

# Definition

A list is a sequence of values enclosed in square brackets. It is extremely versatile as you can store multiple items of different data types inside of it. A list can also be treated as if it were an array.

# Indexing

Lists are also **zero-indexed**, meaning the first item in the list is assigned an index of 0. 

Therefore, if for example, a list called `my_list` is declared with **100** values, the **first** element in the list can be accessed by `my_list[0]` and the **last** element by `my_list[99]`. 

If we try to access the last element of this list by `my_list[100]`, we will encouter an error. This can be seen in the example below:

Let's look at the list data type in more detail. 

Lists

Let's look at the list data type in more detail.

Introduction

The Absolute Bare Minimum

Better Tools

Classes

Getting Fancy

Testing

Graphical User Interfaces

Modules

Appendix

I Guess We're Doing Python Now Exam

Lists

Definition

Indexing