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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 get_kmgraph_meta(mapper_summary):

 """ Extract info from mapper summary to be displayed below the graph plot
 """

    d = mapper_summary["custom_meta"]
    meta = (
        "<b>N_cubes:</b> "
        + str(d["n_cubes"])
        + " <b>Perc_overlap:</b> "
        + str(d["perc_overlap"])
    )
    meta += (
        "<br><b>Nodes:</b> "
        + str(mapper_summary["n_nodes"])
        + " <b>Edges:</b> "
        + str(mapper_summary["n_edges"])
        + " <b>Total samples:</b> "
        + str(mapper_summary["n_total"])
        + " <b>Unique_samples:</b> "
        + str(mapper_summary["n_unique"])
    )

    return meta