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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def type(self):
 """ Returns a ``string`` constant to indicate whether the game was played during the regular season or in the post season. """

        if self._type.lower() == 'reg':
            return REGULAR_SEASON
        if self._type.lower() == 'ctourn':
            return CONFERENCE_TOURNAMENT
        if self._type.lower() == 'ncaa':
            return NCAA_TOURNAMENT
        if self._type.lower() == 'nit':
            return NIT_TOURNAMENT
        if self._type.lower() == 'cbi':
            return CBI_TOURNAMENT
        if self._type.lower() == 'cit':
            return CIT_TOURNAMENT