Official support for free-threaded Python, an experimental JIT, and a smarter installation manager for Windows are among the goodies in Python 3.14. Now in a release candidate.

The best new features and fixes in Python 3.14 Python 3.14’s beta has arrived. Now’s the time to get a head start on working with powerful features like template strings, deferred-evaluated ...

To comment out a line in Python, we use the # symbol. Start any line with that symbol and it will be treated as a comment. # This line prints the text Hello, Python in the console.