sujit2828/langfuse-ragas ? reverse-engineered prompt

Build me a small Python project that shows how to connect Ragas with Langfuse for evaluating LLM outputs.

I want a simple end to end demo where I can run one script, send in a few example questions and answers, and see the evaluation results tracked in Langfuse. Please keep it easy to understand, with clear setup steps, a sample dataset, and a working example I can run locally without a lot of extra setup.

If you need to check current docs online for the latest Ragas or Langfuse usage, go ahead and do that. Make sure the code is organized, easy to tweak, and shows the basic integration in a way I can reuse for my own tests. Also include a short README that explains how to install it, add my API keys, and run the demo.