# Please install OpenAI SDK first: `pip3 install openai`import osfrom openai import OpenAIclient = OpenAI( api_key=os.environ.get('DEEPSEEK_API_KEY'), base_url="https://api.deepseek.com")response = client.chat.completions.create( model="deepseek-v4-pro", messages=[ {"role": "system", "content": "You are a helpful assistant"}, {"role": "user", "content": "Hello"}, ], stream=False, reasoning_effort="high", extra_body={"thinking": {"type": "enabled"}})print(response.choices[0].message.content)