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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 getIdentifierForPoint(self, point):
 """ Create a unique identifier for and assign it to ``point``. If the point already has an identifier, the existing identifier will be returned. 'ILHGJlygfds' ``point`` must be a :class:`BasePoint`. The returned value will be a :ref:`type-identifier`. """

        point = normalizers.normalizePoint(point)
        return self._getIdentifierforPoint(point)