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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 to_networkx(graph):
 """ Convert a Mapper 1-complex to a networkx graph. Parameters graph: dictionary, graph object returned from `kmapper.map` Returns -------- g: graph as networkx.Graph() object """


    # import here so networkx is not always required.
    import networkx as nx

    nodes = graph["nodes"].keys()
    edges = [[start, end] for start, ends in graph["links"].items() for end in ends]

    g = nx.Graph()
    g.add_nodes_from(nodes)
    nx.set_node_attributes(g, dict(graph["nodes"]), "membership")

    g.add_edges_from(edges)

    return g