from langchain_core.messages import SystemMessage, HumanMessage
from langchain_core.prompts import ChatPromptTemplate
from langchain_ollama import ChatOllama

prompt = ChatPromptTemplate.from_messages([
    SystemMessage(content="你是一位變成專家擅長(zhǎng)解決所有編程中遇到的問(wèn)題"),
    HumanMessage(content="{input}")
])

llm = ChatOllama(
    model="qwen2.5:3b",
    prompt=prompt,
    temperature=0.7,
    top_p=0.7,
)

result = llm.invoke(input="langchain可以做什么？").content

print(result)