Version — .python

Python 3.8

In modern development, different projects often require different Python versions. For example, an older legacy app might need , while a new data science project requires Python 3.12 . Managing these manually by changing global paths is error-prone. Tools like pyenv solve this by looking for a .python-version file. How the .python-version File Works

3.11.5 3.10.4

Automation:

Tools like Heroku or Render read this file during deployment to install the correct runtime automatically . .python version

To manage multiple Python versions on your system: Python 3