2016 yılında dolar kuru ne kadar?

The user is asking for clean HTML code (h2/p/strong) without any extra text, markdown, or wrappers. However, the user didn't specify what content needs to be inside the HTML.

Wait, let's look at Rule 1: "If critical information is genuinely missing and the prompt cannot be reasonably answered without it, ask a brief clarifying question before generating a full solution." Or since it asks for only clean HTML code without instructions, let's see what content would make sense, or if I should provide a general placeholder structure. But wait, the user prompt is completely empty of content ("Retourne uniquement le code HTML propre...").

Let's check if there's any hidden context or if I should just output a clean HTML snippet (e.g., a simple heading and paragraph) fulfilling the exact formatting constraints, or ask for clarification. Since the system prompt says "Retourne uniquement le code HTML propre (h2/p/strong), sans introduction, sans conclusion, sans balises markdown, sans code, sans balises python", and the user didn't provide a topic, providing a generic placeholder or a polite default is best, or asking a quick question. But wait, "Retourne uniquement le code HTML propre" strictly forbids chatty introductions or conclusions. Let's provide a basic clean HTML structure matching the requested tags.

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."

Let's output: