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write_weighted_edgelist

write_weighted_edgelist(G, path, comments='#', delimiter=' ', encoding='utf-8')[source]

Write graph G as a list of edges with numeric weights.

Parameters :

G : graph

A NetworkX graph

path : file or string

File or filename to write. If a file is provided, it must be opened in ‘wb’ mode. Filenames ending in .gz or .bz2 will be compressed.

comments : string, optional

The character used to indicate the start of a comment

delimiter : string, optional

The string used to separate values. The default is whitespace.

encoding: string, optional :

Specify which encoding to use when writing file.

Examples

>>> G=nx.Graph()
>>> G.add_edge(1,2,weight=7)
>>> nx.write_weighted_edgelist(G, 'test.weighted.edgelist')