def leagues(self, year=2019):
        """Return all leagues in dict {id0: league0, id1: league1}.

        :params year: Year.
        """
        if year not in self._leagues:
            self._leagues[year] = leagues(year)
        return self._leagues[year]
def leagues(self, year=2019):
        """Return all leagues in dict {id0: league0, id1: league1}.

        :params year: Year.
        """
        if year not in self._leagues:
            self._leagues[year] = leagues(year)
        return self._leagues[year]
def leagues ( self , year = 2019 ) : if year not in self . _leagues : self . _leagues [ year ] = leagues ( year ) return self . _leagues [ year ]
Return all leagues in dict {id0: league0, id1: league1}.

        :params year: Year.
Return all leagues in dict { id0 : league0 id1 : league1 } .