def is_simple(self, x):
        p = self.args[0].as_poly(x)
        if p:
            return p.degree() == 1
        return False
Return the symmetric difference of two sets as a new set.
dataset/ETHPy150Open sympy/sympy/sympy/functions/special/delta_functions.py/DiracDelta.is_simple--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/sets.py/BaseSet.__xor__