<｜begin▁of▁sentence｜>### Instruction:
Given a graph_tool graph object, can you retrieve the list of vertex label artists using the GraphArtist class?
### Response:
from graph_tool.draw import GraphArtist

# Given a graph `gt_graph`
artist = GraphArtist(gt_graph)
vertex_labels = artist.get_vertex_labels()
print(vertex_labels)
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