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Note

This documents the development version of NetworkX. Documentation for the current release can be found here.

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networkx.classes.function.add_cycle

add_cycle(G_to_add_to, nodes_for_cycle, **attr)[source]

Add a cycle to the Graph G_to_add_to.

Parameters

  • G_to_add_to (graph) – A NetworkX graph

  • nodes_for_cycle (iterable container) – A container of nodes. A cycle will be constructed from the nodes (in order) and added to the graph.

  • attr (keyword arguments, optional (default= no attributes)) – Attributes to add to every edge in cycle.

See also

add_path(), add_star()

Examples

>>> G = nx.Graph()  # or DiGraph, MultiGraph, MultiDiGraph, etc
>>> nx.add_cycle(G, [0, 1, 2, 3])
>>> nx.add_cycle(G, [10, 11, 12], weight=7)