Test with different python versions. #7

	name: Pytest

	on:
	push:
	branches: [ "main", "test" ]
	pull_request:
	branches: [ "main", "test" ]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest numpy scipy matplotlib
	- name: Print current directory
	run: pwd
	- name: List files
	run: ls -R
	- name: Test the code with pytest
	run: \|
	pytest

Provide feedback