Upload app.py

app.py

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+## Conversational Q&A Chatbot
+import streamlit as st
+
+from langchain.schema import HumanMessage,SystemMessage,AIMessage
+from langchain.chat_models import ChatOpenAI
+
+## Streamlit UI
+st.set_page_config(page_title="Conversational Q&A Chatbot")
+st.header("Hey, Let's Chat")
+
+from dotenv import load_dotenv
+load_dotenv()
+
+
+chat=ChatOpenAI(temperature=0.6)
+
+'''
+This will create a session state if not present under the key name of flowmessgaes
+By default we are setting it to SystemMessage with the condition
+'''
+if 'flowmessages' not in st.session_state:
+    st.session_state['flowmessages']=[
+        SystemMessage(content="Yor are a comedian AI assitant")
+    ]
+
+## Function to load OpenAI model and get respones
+'''
+Once the function executes it will append the questions in 'flowmessages' key and send it to chatllm model 
+for doing predicts. Once the answer is generated the output (AIMessage) gets appended into flowmessages and return the content
+'''
+def get_chatmodel_response(question):
+    st.session_state['flowmessages'].append(HumanMessage(content=question))
+    answer=chat(st.session_state['flowmessages'])
+    st.session_state['flowmessages'].append(AIMessage(content=answer.content))
+    return answer.content
+
+input=st.text_input("Input: ",key="input")
+response=get_chatmodel_response(input)
+submit=st.button("Ask the question")
+
+## If ask button is clicked
+if submit:
+    st.subheader("The Response is")
+    st.write(response)
+
+
+