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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 inverse(self):
 """Inverse of the quaternion object, encapsulated in a new instance. For a unit quaternion, this is the inverse rotation, i.e. when combined with the original rotation, will result in the null rotation. Returns: A new Quaternion object representing the inverse of this object """

        ss = self._sum_of_squares()
        if ss > 0:
            return self.__class__(array=(self._vector_conjugate() / ss))
        else:
            raise ZeroDivisionError("a zero quaternion (0 + 0i + 0j + 0k) cannot be inverted")