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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 acceleration_magnitude(ax, ay, az):
    '''Cacluate the magnitude of 3D acceleration

    Args
    ----
    ax: ndarray
        x-axis acceleration values
    ay: ndarray
        y-axis acceleration values
    az: ndarray
        z-axis acceleration values

    Returns
    -------
    acc_mag: ndarray
        Magnitude of acceleration from combined acceleration axes

    http://physics.stackexchange.com/a/41655/126878
    '''
    import numpy
    return numpy.sqrt(ax**2 + ay**2 + az**2)