Treeview Paste Function

    def paste(self):
        _nodes = sorted(self.tag_has('copy'))

        clear_items = len(_nodes[0].split('_'))
        node = _nodes.pop(0)
        data = self.get_data(node)
        dst = self.append(self.selection()[0], data['type'], data['text'], data['values'])

        for node in _nodes:
            data = self.get_data(node)
            children = node[clear_items:].strip('_').rsplit('_', 1).pop(0).split('_', 1)
            children.pop(0)

            parent = f'{dst}_{"_".join(children)}' if children else dst
            self.append(parent, data['type'], data['text'], data['values'])