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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 _make_diff(old, new, both):
 """ calculates differences between topologies 'old' and 'new' returns a tuple with two network graph objects the first graph contains the added nodes, the secnod contains the added links """

    # make a copy of old topology to avoid tampering with it
    diff_edges = new.copy()
    not_different = [tuple(edge) for edge in both]
    diff_edges.remove_edges_from(not_different)
    # repeat operation with nodes
    diff_nodes = new.copy()
    not_different = []
    for new_node in new.nodes():
        if new_node in old.nodes():
            not_different.append(new_node)
    diff_nodes.remove_nodes_from(not_different)
    # return tuple with modified graphs
    # one for nodes and one for links
    return diff_nodes, diff_edges