Comment créer
un agent IA

"color:#6b7280"># Agent ReAct en 30 lignes"color:">#f97316">def run_agent(question: str):    messages = [system_msg, user(question)]    "color:">#f97316">for _ in range(10):        resp = llm(messages, tools=TOOLS)        "color:">#f97316">if "color:#f97316">not resp.tool_calls:            "color:">#f97316">return resp.content   # ✓ Réponse finale        "color:">#f97316">for call in resp.tool_calls:            result = execute(call)            messages += [resp, tool_result(result)]