Introduction to Graphs

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import networkx as nx
import matplotlib.pyplot as plt

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g = nx.Graph()

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g.add_node(1)

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g.add_nodes_from([2,3,4,5])

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g.nodes()

NodeView((1, 2, 3, 4, 5))

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g.add_edges_from([(1,2),(1,3),(4,1),(4,5)])

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g.edges()

EdgeView([(1, 2), (1, 3), (1, 4), (4, 5)])

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nx.draw(g,with_labels=True)

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