def _find_initial_index(self):
        """
        Find the index of career stats.

        When the Player class is instantiated, the default stats to pull are
        the player's career stats. Upon being called, the index of the 'Career'
        element should be the index value.
        """
        index = 0
        for season in self._season:
            if season == 'Career':
                self._index = index
                break
            index += 1
Find the index of career stats.

        When the Player class is instantiated, the default stats to pull are
        the player's career stats. Upon being called, the index of the 'Career'
        element should be the index value.