update default query and format

app.py

@@ -42,12 +42,10 @@ db = Chroma.from_documents(documents, embeddings)
 shakespeare_qa = RetrievalQA.from_chain_type(llm=llm, chain_type='stuff', retriever=db.as_retriever())
 
 # Query
-col1, col2 = st.columns(2)
-with col1:
-    response = shakespeare_qa.run(st.text_input(
-        'Query',
-        help='Ask a question pertaining to Shakespeare\'s plays.',
-        placeholder='What is the name of Hamlet\'s mother?'
-    ))
-with col2:
-    st.write(f'📖 {response}')
+response = shakespeare_qa.run(st.text_input(
+    'Query',
+    value='What is the name of Hamlet\'s mother?',
+    help='Ask a question pertaining to Shakespeare\'s plays.'
+))
+'---'
+st.write(f'📖 {response}')