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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 _init_children(self, parent):
 """ Initialise each node's children - essentially build the tree. """


        for dir_name in self.get_children_paths(parent.full_path):
            child = Node(name=dir_name, parent=parent)
            parent.children.append(child)
            self._init_children(child)