@property
    def speed(self):
        return self.wavelength*self._frequency
Returns a list of pamphlets with propaganda to be sent to subscribers
dataset/ETHPy150Open sympy/sympy/sympy/physics/optics/waves.py/TWave.speed--crossover with--dataset/ETHPy150Open nabucosound/django-propaganda/propaganda/utils.py/generate_pamphlets