curl -X POST "http://localhost:8080/v1/jupyter/execute" \
-H "Content-Type: application/json" \
-d '{
"session_id": "analysis",
"code": "data = [1, 2, 3]"
}'
curl -X POST "http://localhost:8080/v1/jupyter/execute" \
-H "Content-Type: application/json" \
-d '{
"session_id": "analysis",
"code": "print(sum(data))"
}'