h\2SrSSKJr \"SS55rg)z(Trait for implementing domain elements. )publicc"\rSrSrSrSrSrSrg) DomainElementz Represents an element of a domain. Mix in this trait into a class whose instances should be recognized as elements of a domain. Method ``parent()`` gives that domain. c[S5e)a?Get the domain associated with ``self`` Examples ======== >>> from sympy import ZZ, symbols >>> x, y = symbols('x, y') >>> K = ZZ[x,y] >>> p = K(x)**2 + K(y)**2 >>> p x**2 + y**2 >>> p.parent() ZZ[x,y] Notes ===== This is used by :py:meth:`~.Domain.convert` to identify the domain associated with a domain element. zabstract method)NotImplementedError)selfs Y/var/www/html/shao/venv/lib/python3.13/site-packages/sympy/polys/domains/domainelement.pyparentDomainElement.parents*""344N)__name__ __module__ __qualname____firstlineno____doc__ __slots__r __static_attributes__rrr rrsI5rrN)rsympy.utilitiesrrrrr rs$.#555r