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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 get_freq(freqfunc, m1, m2, s1z, s2z):
 """ Returns the LALSimulation function which evaluates the frequency for the given frequency function and template parameters. Parameters freqfunc : string Name of the frequency function to use, e.g., 'fEOBNRv2RD' m1 : float or numpy.array First component mass in solar masses m2 : float or numpy.array Second component mass in solar masses s1z : float or numpy.array First component dimensionless spin S_1/m_1^2 projected onto L s2z : float or numpy.array Second component dimensionless spin S_2/m_2^2 projected onto L Returns ------- f : float or numpy.array Frequency in Hz """

    lalsim_ffunc = getattr(lalsimulation, freqfunc)
    return _vec_get_freq(lalsim_ffunc, m1, m2, s1z, s2z)