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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def synthesize(self, duration):
 """ Synthesize white noise Args: duration (numpy.timedelta64):
 The duration of the synthesized sound """

        sr = self.samplerate.samples_per_second
        seconds = duration / Seconds(1)
        samples = np.random.uniform(low=-1., high=1., size=int(sr * seconds))
        return AudioSamples(samples, self.samplerate)