Python Functions: The Ultimate Reference Page

Your ultimate cheat-sheet for Python functions, keywords, and more.

Written by: Athena Ozanich and Danielle Ellis
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Python functions reference page

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Python functions perform tasks within your code and make your web content more interactive and engaging for your audience.

Functions are the building blocks of the Python programming language and there are plenty to choose from when coding your website. With different modules that you can import and an abundance of keywords to choose from, it's hard to keep everything sorted in one place.

That's why we've put together this reference page of the most popular Python functions. We've organized them into individual posts so you can access information faster and find exactly what you need when you need it.

We've even included a handy, interactive code module on each post so you can try out new functions that you might not be as familiar with.Download Now: An Introduction to Python [Free Guide]

Check out the table of contents below to get started, or read on to learn more about what Python functions can do for your website.

Python Function Resources

What are Python functions?

All Python Keywords

Built-in Python Functions

Python List Functions

Python String Functions

Python Math Functions

What are Python Functions?

Python functions are blocks of code that execute specific tasks. These are the building blocks of the Python programming language and allow you to perform tasks like passing data and printing outputs to your screen. 

Python Function Example

Here's a simple Python function and how it works:

x = "Hello World"

print(x)

In this code, we use x todefine a value of "Hello World." Then we use the Python print function (print()) to tell the program to print the value of x to the device's screen. As a result, our output, or the result that's printed on the screen, would be "Hello World."

If you would like to see this in action, use the emulator below to execute or adjust the code. The horizontal triangle in the top toolbar will produce the output of the Python code example on the righthand screen.

For a more guided introduction to Python programming, check out the featured resource below.

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Topics: What Is Python?

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