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.

Another use case for comments is when you don't want to execute a line, you can comment it out. To comment out a line in Python, we use the # symbol.

Python 3.13.0 (tags/v3. 13.0: 60403 a5, Oct 7 2024, 09: 38: 07) [MSC v.1941 64 bit (AMD64)] on win32 Run py -3.13t, and you’ll launch the free-threaded build: Python 3.13.0 experimental free ...