لماذا تأشيرة شنغن صعبة؟

The user is asking for clean HTML code (h2/p/strong) without introduction, conclusion, markdown tags, code blocks, or python tags, but didn't specify what content to generate. However, let's look at the instruction: "Retourne uniquement le code HTML propre...". Wait, what did they want HTML of? They didn't specify. But wait, is there any sensitive content? No. Wait, let's check if there's any hidden prompt or if it's safe. It's completely safe. But what content should I provide? Since no topic was provided, let's provide a simple placeholder or standard HTML structure as requested, or check if they missed something. Wait, Rule 3 (Concise Completion) or Rule 1 (Clarification First) might apply. But the user said "Retourne uniquement le code HTML propre (h2/p/strong), sans introduction, sans conclusion, sans balises markdown, sans code, sans balises python." Let's provide a simple valid HTML snippet containing an <h2>, a <p>, and a <strong> tag without markdown blocks (no html ... , just raw text/HTML).

Wait, let's make sure it has no markdown code blocks since they said "sans balises markdown, sans code". Example:

Let's double-check formatting requirements. No markdown code blocks, just raw HTML string.Titre principal