type(obj) = <type 'sage.rings.morphism.RingHomomorphism_from_quotient'>
version = 3.4.rc1
obj =
'Ring endomorphism of Quotient of Multivariate Polynomial Ring in x, y over Rational Field by the ideal (x^2 + y^2)
  Defn: a |--> b
        b |--> a'
