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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 extractValue(self, model, item):
 """ Get the class name of the factory referenced by a port. @param model: Either a TabularDataModel or a ScrollableView, depending on what this column is part of. @param item: A port item instance (as defined by L{xmantissa.port}). @rtype: C{unicode} @return: The name of the class of the item to which this column's attribute refers. """

        factory = super(FactoryColumn, self).extractValue(model, item)
        return factory.__class__.__name__.decode('ascii')