Thêm thông điệp assistant

client = OpenAI(api_key="", base_url="https://api.together.xyz/v1")

response = client.chat.completions.create(
    model="deepseek-ai/DeepSeek-V4-Pro",
    # Add a user and assistant message for in-context learning
    messages=[
        {"role": "system", "content": "You are a helpful Geography tutor that generates concise, one-sentence summaries for different countries."},
        ____,
        ____,
        {"role": "user", "content": "Give me a quick summary of Greece."}
    ]
)

print(response.choices[0].message.content)