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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_leaf(attribute, namespace_splitter=NAMESPACE_SPLITTER):
 """ Returns given attribute leaf. Usage:: u'child' :param attribute: Attribute. :type attribute: unicode :param namespace_splitter: Namespace splitter character. :type namespace_splitter: unicode :return: Attribute foundations.namespace. :rtype: unicode """


    return foundations.common.get_last_item(attribute.split(namespace_splitter))