Update start.sh

start.sh

@@ -102,7 +102,10 @@ if [[ ! -f "${EXT_MARKER}" ]]; then
   install_ext vscjava.vscode-maven
   install_ext vscjava.vscode-gradle
   install_ext vscjava.vscode-java-dependency
-  
+  install_ext ms-python.vscode-pylance
+  install_ext ms-python.python
+  install_ext ms-python.debugpy
+  install_ext ms-python.vscode-python-envs
 
   # Codex
   install_ext openai.chatgpt