Update app.py

app.py

@@ -0,0 +1,24 @@
+import streamlit as st
+
+from langchain.llms import HuggingFaceHub
+
+def load_answer(question):
+    llm = HuggingFaceHub(repo_id = "google/flan-t5-large")
+    ans = llm.invoke(question)
+    return ans
+
+st.set_page_config(page_title="LangChain Demo", page_icon=":robot:")
+st.header("LangChain Demo")
+
+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 submit:
+    st.subheader('Answer:')
+    st.write(response)