Update app.py

app.py

@@ -127,6 +127,7 @@ if upload_file is not None:
             else:
                 new_columns = [f'column_{i+1}' for i in range(len(df.columns))]
                 df.columns = new_columns
+                st.write(df.columns)
                 st.dataframe(df, key="excel_dataframe")