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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 clone(self, parent=None):
 """ Clone this object. @param parent: The parent for the clone. @type parent: L{element.Element} @return: A copy of this object assigned to the new parent. @rtype: L{Attribute} """

        a = Attribute(self.qname(), self.value)
        a.parent = parent
        return a