add comment about Python 3.12 to README

README.md

@@ -18,6 +18,7 @@ The package can be installed using the ``pip3`` package manager:
 pip3 install pref_voting
 ```
 **Notes**: 
+* The package requires Python 3.9 or higher and has been tested on Python 3.12.
 * Since the package uses Numba, refer to the [Numba documentation for the latest supported Python version](https://numba.readthedocs.io/en/stable/user/installing.html#version-support-information).
 * If you have both Python 2 and Python 3 installed on your system, make sure to use ``pip3`` instead of pip to install packages for Python 3. Alternatively, you can use ``python3 -m pip`` to ensure you're using the correct version of pip. If you have modified your system's defaults or soft links, adjust accordingly.
 

docs/source/installation.rst

@@ -16,7 +16,7 @@ Alternatively, you can install the latest development version from source:
 
 Requirements:
 
-* Python 3.9+
+* The package requires Python 3.9 or higher and has been tested on Python 3.12.
 * The following pip packages are required and installed automatically:  filelock, scipy, networkx, tabulate, matplotlib, nashpy, numba, ortools, pathos, preflibtools, prefsampling, and seaborn 
 
 .. warning::