Update app.py

app.py

@@ -76,6 +76,13 @@ def main():
     if st.button("Predict"):
         predictions_df = predict_hotel_price(train_features_path, train_label_path, test_features_path)
         st.write(predictions_df)
+        st.download_button(
+            label="Download Predictions",
+            data=predictions_df.to_csv(index=False),
+            file_name="predictions.csv",
+            mime="text/csv"
+        )
 
 if __name__ == '__main__':
     main()
+