added download button for full frame

app.py

@@ -246,7 +246,15 @@ with tab2:
                     player_var2 = st.multiselect('Which players do you want?', options = fd_raw['Player'].unique())
             elif player_var1 == 'Full Slate':
                     player_var2 = fd_raw.Player.values.tolist()
-            
+
+        if st.button("Prepare data export", key='data_export'):
+            data_export = st.session_state.working_seed.copy()
+            st.download_button(
+                label="Export optimals set",
+                data=convert_df(data_export),
+                file_name='NBA_optimals_export.csv',
+                mime='text/csv',
+            )
     with col2:
         
         if site_var1 == 'Draftkings':