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AI & LLM integration patterns

Call LLM APIs, structure prompts, parse responses, and ship AI features safely.

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AI & LLM integration patterns easy

How to Mock an LLM Client in Python

Create a simple mock LLM client that returns a canned completion for testing or development without a real API.

llm mock testing
Python 
from dataclasses import dataclass


@dataclass
class MockLLMClient:
    canned_response: str = "This is a canned completion."

    def complete(self, prompt: str) -> str:
        return f"{self.canned_response} [to: {prompt[:20]}]"


if __name__ == "__main__":
    client = MockLLMClient()
    result = client.complete(…
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