LangGraph: Conditional Edge — Basic Routing and Looping

📰 Medium · Python

Learn to implement conditional edges in LangGraph for basic routing and looping, enabling flow-based program decision-making

intermediate Published 18 Apr 2026
Action Steps
  1. Create a RouterState class to define the state for routing
  2. Implement the classify_query function to determine the query type
  3. Use the handle_question and handle_command functions to handle different query types
  4. Apply conditional edges to route the flow based on the query type
  5. Test and refine the routing logic to ensure correct flow decisions
Who Needs to Know This

Software engineers and developers can benefit from this article to improve their skills in implementing conditional edges in LangGraph, while data scientists and AI engineers can apply this knowledge to enhance their AI models

Key Insight

💡 Conditional edges in LangGraph enable programs to make decisions based on the current state, allowing for more dynamic and flexible flow control

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