Editing Python Hello World

In this lesson, we will create a 'Hello World' program in Python.

== Lesson content ==
In this lesson, we will learn:

* What hello world programs are
* Coding a hello world program in Python
* How our code works
* Running Python code through the terminal
* Program output

== Hello world programs ==
A '<nowiki/>'''hello world'''' program is a simple program that prints the string '''"Hello world"''' to the console.

A string is another word for text.

The console is the text-based window you see when opening a terminal or command prompt.

=== Why use a hello world program? ===
Hello world programs are used because they are very simple to write.

They are a good introduction to programming, as they are an easy way to learn the basic syntax (grammar) of the language.

== Coding ==
Now let's get coding!

In this chapter, we will open our program in a text editor, and write our first line of code!

=== Opening the file ===
First, we need to open up our program.

If you are using a code editor, such as VS Codium, open your project folder using the 'Open Folder' feature.

Otherwise, simply open '''hello.py''' in a normal text editor using the 'Open' button.

=== Writing the code ===
Inside '''hello.py''', write the following code:
 '''print("Hello world")'''
We will go over how this code works in the next chapter.

== How it works ==
Our program contains 3 main tokens:

* print
* ()
* "Hello world"

== The print function ==
In our program, we call the '''print''' function.

== Python course ==
This lesson is part of the Python course.

[[Python Variables|Go to the next lesson]].

[[Installing Python|Go to the previous lesson]].

[[Python|Go back to the course overview]].
[[Category:Python]]