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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 get_elements(self, tag_name, attribute):
 """ Return elements in xml files which match with the tag name and the specific attribute :param tag_name: a string which specify the tag name :param attribute: a string which specify the attribute """

        l = []
        for i in self.xml:
            for item in self.xml[i].getElementsByTagName(tag_name):
                value = item.getAttributeNS(NS_ANDROID_URI, attribute)
                value = self.format_value(value)

                l.append(str(value))
        return l