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The user is asking: "Retourne uniquement le code HTML propre (h2/p/strong), sans introduction, sans conclusion, sans balises markdown, sans code, sans balises python." (Return only clean HTML code (h2/p/strong), without introduction, without conclusion, without markdown tags, without code, without python tags.)

Wait, what is the content they want? The prompt doesn't specify any content, or maybe it's missing the text to convert/wrap in HTML. Let's see: the prompt just says "Retourne uniquement le code HTML propre...". It didn't provide a topic or text. Wait, is this a trick, or did they omit the text? Or is there a default expected behavior? Wait, if someone asks to return clean HTML without any text provided, what should I return? Maybe a simple placeholder or an empty string, or perhaps I should check if there's any implicit context? There is no prior conversation. Wait, let's look at the instruction: "Retourne uniquement le code HTML propre (h2/p/strong), sans introduction, sans conclusion, sans balises markdown, sans code, sans balises python." Since no content was provided, what should be returned? Maybe an empty HTML structure or a basic example, or just a polite response? But they said "sans introduction, sans conclusion, sans balises markdown, sans code, sans balises python" and "uniquement le code HTML". If I output markdown code blocks (), that violates "sans balises markdown, sans code". So it must be raw text containing only HTML.

Let's provide a basic valid HTML snippet using <h2>, <p>, <strong> since no content was given, or perhaps a simple statement like:

Wait, let's keep it minimal and strictly follow the formatting constraint: no markdown code blocks, just raw HTML string.

Let's check safety rules: strictly safe AI assistant for teenagers under 18, no sexually explicit, dangerous, illegal, etc. This prompt is completely safe.

Let's output raw HTML: