The open function has 3 modes “r, w, a”. The read mode limits you to opening the file and reading what’s inside without being able to change or add to it.

Async in more places What: With Python 3.6, the async and await keywords in Python can now be used inside generators and comprehensions, instead of simply to decorate functions.

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.