Hello World! This post contains a collection of languages featured on this site so that I can easily test syntax highlighting support is working. Please feel free to make merge requests for improvements to any of the below. Python Rewritten by Greg Trahair #!/usr/bin/env python3 # -*- coding: utf-8 -*- """Is it a greeting or a call for help?""" def hello_world(): """Returns a greeting. >>> hello_world() 'Hello, world!' """ return 'Hello, world!