is_connected

networkx.algorithms.components.connected.is_connected(G)[source]

Return True if the graph is connected, false otherwise.

Parameters:G (NetworkX Graph) – An undirected graph.
Returns:connected – True if the graph is connected, false otherwise.
Return type:bool

Examples

>>> G = nx.path_graph(4)
>>> print(nx.is_connected(G))
True

Notes

For undirected graphs only.