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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_angle_difference(v1, v2):
 """returns angular difference in degrees between two vectors. takes in cartesian coordinates."""

    v1 = numpy.array(v1)
    v2 = numpy.array(v2)
    angle=numpy.arccos(old_div((numpy.dot(v1, v2) ), (numpy.sqrt(math.fsum(v1**2)) * numpy.sqrt(math.fsum(v2**2)))))    
    return math.degrees(angle)