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The user wants only clean HTML code (

,

, ), with no introduction, conclusion, markdown tags, or Python code. However, the user's prompt ("Retourne uniquement le code HTML propre...") doesn't specify what content to generate in HTML. Since no topic was provided, let's look at the constraints or provide a safe default, or clarify, but wait, the prompt asks for HTML code. Let's see if there's any ambiguity. Wait, the user didn't specify the subject. Let's provide a helpful, clean HTML snippet on a neutral or educational topic, or if it's too vague, what should we do? Wait, let's check the rules. "RULE 1: CLARIFICATION FIRST: If critical information is genuinely missing and the prompt cannot be answered without it, ask a brief clarifying question before generating a full solution." Wait, the prompt says "Retourne uniquement le code HTML propre...". If we ask a question, we violate the "uniquement le code HTML" constraint, but since no content was specified, we can't write the HTML without knowing what it's about. Let's check if there's a standard interpretation or if we should provide a simple template or ask. But wait, the user says "Retourne uniquement le code HTML propre...". Let's provide a basic, clean HTML structure of a standard heading and paragraph since no topic was given, or a placeholder explaining what can be put there, but adhering to the tag constraints (

,

, ).

Wait, let's keep it extremely simple and clean:

Let's check if there are any follow-ups or paths. Since this is a closed-form/direct formatting request, force Path C (self-contained, omit follow-ups).

Let's verify output format: ONLY the HTML code, no markdown code fences (since the user said "sans balises markdown, sans code"), just raw HTML text.

Wait, the prompt says: "sans balises markdown, sans code". That means no html ... blocks! Just the raw HTML text.

Let's write out the raw HTML directly: