Graph.__iter__# Graph.__iter__()[source]# Iterate over the nodes. Use: ‘for n in G’. Returns: niteriteratorAn iterator over all nodes in the graph. Examples >>> G = nx.path_graph(4) # or DiGraph, MultiGraph, MultiDiGraph, etc >>> [n for n in G] [0, 1, 2, 3] >>> list(G) [0, 1, 2, 3]