Upload 2 files

app.py

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+import streamlit as st 
+
+from langchain_community.chat_models import ChatOpenAI
+from langchain.schema import (AIMessage, HumanMessage, SystemMessage)
+import os
+
+os.environ["OPENAI_API_KEY"] = "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"
+
+def load_answer(question):
+    st.session_state.sessionMessages.append(HumanMessage(content=question))
+    chat = ChatOpenAI(temperature=0)
+    answer = chat(st.session_state.sessionMessages)
+    st.session_state.sessionMessages.append(AIMessage(answer.content))
+    return answer.content
+
+def get_text():
+    return st.text_input("You: ", key="input")
+
+st.set_page_config(page_title="Chat App", page_icon="🤖")
+st.header("Hey, nice to meet you! How can I help you today?")
+
+if "sessionMessages" not in st.session_state:
+    st.session_state.sessionMessages = [
+        SystemMessage(content="You are an assistant")
+    ]
+
+user_input = get_text()
+
+submit = st.button('Generate')
+
+if submit:
+    st.subheader("Answer:")
+    response = load_answer(user_input)
+    st.write(response)

requirements.txt

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+langchain
+openai