app.py

import streamlit as st
from langchain.tools import WikipediaQueryRun
from langchain_community.utilities import WikipediaAPIWrapper

wikipedia = WikipediaQueryRun(api_wrapper=WikipediaAPIWrapper())
from langchain.agents import Tool

tools = [
    Tool(
        name = "Wikipedia",
        func=wikipedia.run,
        description="useful for when you need to answer questions about current events"
    )
]
from langchain_google_genai import ChatGoogleGenerativeAI
llm = ChatGoogleGenerativeAI(model="gemini-1.5-pro",temperature=0,google_api_key="AIzaSyBGMFu15PXL5ybL3lvJ5fFa2KI7Kza-I7s")
from langchain.agents import initialize_agent, AgentType
agent = initialize_agent(tools, llm, agent=AgentType.CHAT_ZERO_SHOT_REACT_DESCRIPTION, verbose=True)

st.title("AI Agents")
st.subheader("Ai Agent")
question = st.text_area(label="Query")

if st.button("Get Answer"):
    if question:

        result = agent.invoke(question)
        st.write(result)