Create main.yml

.github/workflows/main.yml

@@ -0,0 +1,29 @@
+name: CD
+
+on:
+  push:
+    branches: ["main"]
+
+jobs:
+  run-tests:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    - name: Run unit tests on ${{ matrix.os }}
+      run: |
+        python -m unittest circle.py
+        python -m unittest rectangle.py
+        python -m unittest triangle.py
+        python -m unittest square.py