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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 name(self):
 """ Returns the recipe name which is its class name without package. """

        if not hasattr(self, '_name'):
            self._name = re.search('[a-z]+\.([a-z]+)\.([a-z]+)', str(self.__class__), re.IGNORECASE).group(2)

        return self._name