Python: List comprehensions

This documentation is part of the Learning Python guide. You can view the complete guide here: A comprehensive Python guide.

👋 Welcome to the Stackhero documentation!

Stackhero offers a ready-to-use Python cloud solution designed to simplify your deployments:

• Deploy your application to production in just seconds with a simple git push.
• Use your own domain name, with automatic HTTPS certificate setup for secure connections managed for you.
• Take advantage of automatic backups, one-click updates, and predictable pricing, so you can focus on your code instead of infrastructure management.
• Benefit from high performance and security on a private, dedicated infrastructure. Your environment is isolated and protected.

Save time and streamline your workflow: your code can be up and running with Stackhero's Python cloud hosting in just 5 minutes.

List comprehensions let you create lists in a single, readable line by combining an expression with a loop and an optional condition. They are excellent for transforming or filtering data.

new_list = [expression for item in iterable if condition]

Example:

squares = [x * x for x in range(1, 6)]
print(squares)  # Output: [1, 4, 9, 16, 25]