So far I used this line of code here:
max_total_gross = event_data[\"max_total_gross\"].loc[event_data[\"event_id\"] == event_id].item()
Si
If need first matched value use iter with next, advantage is if no value is matched is returned default value:
iter
next
s = event_data.loc[event_data.event_id == event_id, 'max_total_gross'] out = next(iter(s), 'no match') print (out)