NumPy Online Compiler (Editor)
NumPy (Python) Editor
With our "Try it Yourself" editor, you can edit Python code and use the NumPy module, and view the result in your browser.
arr = np.array([1, 2, 3, 4, 5])
[1 2 3 4 5]
Click on the "Try it Yourself" button to see how it works.
Publish Your Code
If you want to create your own website or build Python applications, check out W3Schools Spaces.
W3Schools Spaces is a website-building tool that enables you to create and share your own website. You can also get a Python server, allowing you to develop and host your Python applications with ease.
Note: This includes Python libraries such as: Django, Pandas, NumPy, SciPy and more.
You can change the website's look and how it works by editing the code right in your web browser.
It's easy to use and doesn't require any setup
The code editor is packed with features to help you achieve more:
- Templates: Start from scratch or use a template
- Cloud-based: no installations required. You only need your browser
- Terminal & Log: debug and troubleshoot your code easily
- File Navigator: switch between files inside the code editor
- And much more!
Practice is key to mastering coding, and the best way to put your Python knowledge into practice is by getting practical with code.
Use W3Schools Spaces to build, test and deploy code.
The code editor lets you write and practice different types of computer languages. It includes Python, but you can use it for other languages too.
New languages are added all the time:
If you don't know Python, we suggest that you read our Python Tutorial from scratch.
Easy Package Management
Get an overview of your packages and easily add or delete frameworks and libraries. Then, with just one click, you can make changes to your packages without manual installation.
Build Powerful Websites
You can also use the code editor in W3School Spaces to build frontend or full-stack websites from scratch.
Or you can use the 60+ templates available and save time:
Create your Spaces account today and explore them all!Learn More
Share Your Website With The World
Host and publish your websites in no time with W3School Spaces.
W3Schools subdomain and SSL certificate are included for free with W3School Spaces. An SSL certificate makes your website safe and secure. It also helps people trust your website and makes it easier to find it online.
Want a custom domain for your website?
You can buy a domain or transfer an existing one and connect it to your space.Learn More
How Does It Work?
Get started in a few clicks with W3School Spaces.