Update app.py

app.py

@@ -0,0 +1,36 @@
+
+import streamlit as st
+
+from langchain.llms import HuggingFaceEndpoint
+
+#Function to return the response
+def load_answer(question):
+    llm = HuggingFaceEndpoint(repo_id="mistralai/Mistral-7B-Instruct-v0.2") # Model link : https://huggingface.co/mistralai/Mistral-7B-Instruct-v0.2
+
+    #Last week langchain has recommended to use invoke function for the below please :)
+    answer=llm.invoke(question)
+    return answer
+
+
+#App UI starts here
+st.set_page_config(page_title="LangChain Demo", page_icon=":robot:")
+st.header("LangChain Demo")
+
+#Gets the user input
+def get_text():
+    input_text = st.text_input("You: ", key="input")
+    return input_text
+
+
+user_input=get_text()
+response = load_answer(user_input)
+
+submit = st.button('Generate')  
+
+#If generate button is clicked
+if submit:
+
+    st.subheader("Answer:")
+
+    st.write(response)
+