def add_star(G, nodes, **attr):
    nlist = iter(nodes)
    v = next(nlist)
    edges = ((v, n) for n in nlist)
    G.add_edges_from(edges, **attr)
:param PackageSource package_source: The source of omnibus packages.
dataset/ETHPy150Open networkx/networkx/networkx/classes/function.py/add_star--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/admin/acceptance.py/CommonOptions._runner_GCE