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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 phase2radians(phasedata, v0):
 """ Convert phase in seconds to phase in radians Parameters phasedata: np.array Data array of phase in seconds v0: float Nominal oscillator frequency in Hz Returns ------- fi: phase data in radians """

    fi = [2*np.pi*v0*xx for xx in phasedata]
    return fi