Question Graph

Example of a graph for asking and evaluating questions.

Demonstrates:

pydantic_graph

Running the Example

With dependencies installed and environment variables set, run:

bash

python/uv-run -m pydantic_ai_examples.question_graph

Example Code

snippet {path="/examples/pydantic_ai_examples/question_graph.py"}

The mermaid diagram generated in this example looks like this:

mermaid

---
title: question_graph
---
stateDiagram-v2
  [*] --> Ask
  Ask --> Answer: ask the question
  Answer --> Evaluate: answer the question
  Evaluate --> Congratulate
  Evaluate --> Castigate
  Congratulate --> [*]: success
  Castigate --> Ask: try again