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Description: Learn the building blocks of LangGraph. This video covers the four core concepts: Graphs, Nodes, Edges, and State. We walk through a "Hello World" implementation using TypedDict to manage shared data across your AI workflow. Chapters: 0:00 Recapping LangGraph Basics 0:40 The 4 Core Concepts: Graphs, Nodes, Edges, State 2:40 How State Flows through a Graph 3:25 Workflow Step-by-Step: Define, Write, Wire, Build 4:30 Hands-on: Designing a Hello World Workflow 5:30 Understanding TypedDict for State Management 7:10 Coding the Input Node and LLM Node 9:45 Building and Compiling the StateGraph 11:20 Running the Graph & Inspecting the Trace #LangGraph #CodingTutorial #PythonProgramming #StateManagement #AI