<｜begin▁of▁sentence｜>### Instruction:
Given a graph which you can read from 'graph22.gml', can you help calculate the assortativity coefficient based on the vertex degrees without considering the edge directions?
### Response:
from igraph import Graph

# Load a graph from a file (you should have 'graph22.gml' for this example)
g = Graph.Read_GML('graph22.gml')

# Calculate the assortativity based on vertex degrees
assortativity = g.assortativity_degree(directed=False)

# Print the assortativity coefficient
print('Assortativity coefficient:', assortativity)
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