def __repr__(self): """ EXAMPLES:: sage: S = species.SubsetSpecies() sage: a = S.structures(["a","b","c"]).random_element(); a {} """ s = GenericSpeciesStructure.__repr__(self) return "{" + s[1:-1] + "}"
def __repr__(self): """ EXAMPLES:: sage: S = species.CycleSpecies() sage: a = S.structures(["a","b","c"]).random_element(); a ('a', 'b', 'c') """ s = GenericSpeciesStructure.__repr__(self) return "(" + s[1:-1] + ")"
def __repr__(self): """ EXAMPLES:: sage: S = species.PartitionSpecies() sage: a = S.structures(["a","b","c"]).random_element(); a {{'a', 'b', 'c'}} """ s = GenericSpeciesStructure.__repr__(self) return "{"+s[1:-1]+"}"
def __repr__(self): """ EXAMPLES:: sage: S = species.PartitionSpecies() sage: a = S.structures(["a","b","c"]).random_element(); a {{'a', 'b', 'c'}} """ s = GenericSpeciesStructure.__repr__(self) return "{" + s[1:-1] + "}"
def __repr__(self): """ EXAMPLES:: sage: F = species.CharacteristicSpecies(3) sage: a = F.structures([1, 2, 3]).random_element(); a {1, 2, 3} sage: F = species.SingletonSpecies() sage: F.structures([1]).list() [1] sage: F = species.EmptySetSpecies() sage: F.structures([]).list() [{}] """ s = GenericSpeciesStructure.__repr__(self) if self.parent()._n == 1: return s[1:-1] else: return "{" + s[1:-1] + "}"