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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 browse_nodes(self):
 """Browse Nodes. :return: A list of :class:`~.AmazonBrowseNode` objects. """

        root = self._safe_get_element('BrowseNodes')
        if root is None:
            return []

        return [AmazonBrowseNode(child) for child in root.iterchildren()]