def winning_owner_index(self):
winner_idx = -<NUM_LIT:1><EOL>price = <NUM_LIT:0><EOL>for idx, bid in enumerate(self.bids):<EOL><INDENT>if bid > price:<EOL><INDENT>price = bid<EOL>winner_idx = idx<EOL><DEDENT><DEDENT>return winner_idx<EOL>
:return Owner: owner who bid the most