added version check

.github/workflows/actions_version_check.yaml

@@ -0,0 +1,21 @@
+name: Version check
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest 
+    strategy:
+      matrix:
+        python-version: ["3.4","3.5", "3.6", 3.7, 3.8, 3.9, 3.10, 3.11, 3.12]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Run tests
+        run: |
+          python -m unittest discover tests