Prompt example extracted from Anthropic Cookbook.
Pre-requisities To use Promptfoo you will need to have node.js & npm installed on your system. For more information follow [this guide](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) You can install promptfoo using npm or run it directly using npx. In this guide we will use npx. *Note: For this example you will not need to run `npx promptfoo@latest init` there is already an initialized `promptfooconfig.yaml` file in this directory* See the official docs [here](https://www.promptfoo.dev/docs/getting-started)
