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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_children(self, request):
 """Return all children of the node retrieved by the given request. :rtype: A two-tuple with one list containing the children that reference other nodes and another containing the leaf children. """

        node = decode_node(request.data)
        return _get_children(node, request.depth)