<｜begin▁of▁sentence｜>### Instruction:
Given an undirected graph with the edge set [(0, 1), (1, 2), (2, 3)] and edge weights [1, 2, 3] respectively, does the graph contain any weight attributes indicating that it is a weighted graph?
### Response:
from igraph import Graph

# Create a graph with weight attributes on edges
g = Graph(edges=[(0, 1), (1, 2), (2, 3)])
g.es['weight'] = [1, 2, 3]

# Check if the graph is weighted
is_weighted = g.is_weighted()
print('Graph is weighted:', is_weighted)
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