通义千问

# Install the package
pip install -qU  langchain-community dashscope

# Get a new token: https://help.aliyun.com/document_detail/611472.html?spm=a2c4g.2399481.0.0
from getpass import getpass

DASHSCOPE_API_KEY = getpass()

 ········

import os

os.environ["DASHSCOPE_API_KEY"] = DASHSCOPE_API_KEY

from langchain_community.llms import Tongyi

Tongyi().invoke("What NFL team won the Super Bowl in the year Justin Bieber was born?")

'Justin Bieber was born on March 1, 1994. The Super Bowl that took place in the same year was Super Bowl XXVIII, which was played on January 30, 1994. The winner of that Super Bowl was the Dallas Cowboys, who defeated the Buffalo Bills with a score of 30-13.'

from langchain_core.prompts import PromptTemplate

llm = Tongyi()

template = """Question: {question}

Answer: Let's think step by step."""

prompt = PromptTemplate.from_template(template)

chain = prompt | llm

question = "What NFL team won the Super Bowl in the year Justin Bieber was born?"

chain.invoke({"question": question})

'Justin Bieber was born on March 1, 1994. The Super Bowl that took place in the same calendar year was Super Bowl XXVIII, which was played on January 30, 1994. The winner of Super Bowl XXVIII was the Dallas Cowboys, who defeated the Buffalo Bills with a score of 30-13.'