Update app.py

app.py

@@ -107,12 +107,18 @@ def download_df():
         download_button(selected_df, st.session_state.filename),
         height=0,
     )
-
-    
+"""
 selected_df = selected_df.astype(str)
 st.write(selected_df)
 with st.form("download_form", clear_on_submit=False):
     st.text_input("Enter filename", key="filename")
     submit = st.form_submit_button("Download", on_click=selected_df)
 
-    
+"""
+def convert_df(df):
+   return df.to_csv(index=False).encode('utf-8')
+
+
+csv = convert_df(selected_df)
+
+st.download_button("Press to Download", csv,"file.csv","text/csv",key='download-csv')