<｜begin▁of▁sentence｜>### Instruction:
As an IT Support Specialist, I can assist you with analyzing a network graph stored in a file called graph_file.gml. I can help you in using the NetworkX library to calculate the biconnected components and identify the articulation points within the graph. This will help you understand the robustness and potential vulnerabilities in the network structure.
### Response:
from igraph import Graph

# Read the graph from a file
g = Graph.Read('graph_file.gml')

# Calculate the biconnected components
biconnected_components, articulation_points = g.biconnected_components(return_articulation_points=True)

# Print the biconnected components and articulation points
print('Biconnected components:', biconnected_components)
print('Articulation points:', articulation_points)
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