Building a LangChain Agent from Scratch: The ReAct Workflow Explained

In this video, we dive deep into the world of **Generative AI** by building a functional **LangChain Agent** in Python [1]. You will learn how to empower a Large Language Model (LLM) with the ability to use external tools, like a search engine, to answer questions about current events [3, 4]. **What You Will Learn:** * **Setting Up Your Environment:** Installing `langchain` and `openai` libraries [1]. * **Defining Tools:** How to use the `SerpAPIWrapper` to create a search tool the agent can execute [1, 3, 6]. * **The ReAct Framework:** A step-by-step breakdown of the **Reason + Act** w…