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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 visit_dict(self, node, parent):
 """visit a Dict node by returning a fresh instance of it"""

        newnode = nodes.Dict(node.lineno, node.col_offset, parent)
        items = list(self._visit_dict_items(node, parent, newnode))
        newnode.postinit(items)
        return newnode