from openai import OpenAI
client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.ppinfra.com/openai")
messages = [
    {"role": "user", "content": "解释一下牛顿第二定律。"}
]
response = client.chat.completions.create(
    model="deepseek/deepseek-r1",
    messages=messages,
    stream=True,
    max_tokens=4096
)
content = ""
reasoning_content = ""
for chunk in response:
    if chunk.choices[0].delta.content:
        content += chunk.choices[0].delta.content
    if chunk.choices[0].delta.reasoning_content:
        reasoning_content += chunk.choices[0].delta.reasoning_content
print("最终回答:", content)
print("推理过程:", reasoning_content)