Code Rewrite to support multi instances

.vscode/extensions.json

@@ -0,0 +1,9 @@
+{
+    "recommendations": [
+        "ms-python.python",
+        "ms-python.pylint",
+        "ms-python.black-formatter",
+        "ms-python.isort",
+        "ms-toolsai.jupyter"
+    ]
+}

.vscode/launch.json

@@ -0,0 +1,15 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "name": "Python: Main from Root",
+        "type": "python",
+        "request": "launch",
+        "program": "${workspaceFolder}/main.py",
+        "cwd": "${workspaceFolder}",
+        "env": {
+          "PYTHONPATH": "${workspaceFolder}"
+        }
+      }
+    ]
+  }

.vscode/settings.json

@@ -1,4 +1,10 @@
 {
     "editor.formatOnSave": true,
-    "editor.defaultFormatter": "ms-python.black-formatter"
+    "editor.defaultFormatter": "ms-python.black-formatter",
+    "python.terminal.activateEnvironment": true,
+    "python.testing.pytestArgs": [
+        "tests"
+    ],
+    "python.testing.unittestEnabled": false,
+    "python.testing.pytestEnabled": true,
 }