'Return list of all probabilities.
Examples
>>> from sympy.physics.quantum.state import Ket
>>> from sympy.physics.quantum.density import Density
>>> d = Density([Ket(0), 0.5], [Ket(1),0.5])
>>> d.probs()
(0.5, 0.5)'

def probs(self):

    return Tuple(*[arg[1] for arg in self.args])
