Refine gh-actions

* Update and rename Python_test.yml to Lint.yaml
* Create Format.yaml

.github/workflows/Lint.yaml

@@ -0,0 +1,26 @@
+name: Python code review
+on: [push, pull_request]
+jobs:
+  Test:
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@main
+      - name: Set up Python
+        uses: actions/setup-python@main
+        with:
+          python-version: 3.x
+      - uses: actions/cache@main
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-lint
+          restore-keys: |
+            ${{ runner.os }}-pip-lint
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install flake8
+      - name: Lint with flake8
+        run: |
+          python -m flake8 . --builtins=_,I --ignore=E501 --count --benchmark --show-source --statistics