<｜begin▁of▁sentence｜>### Instruction:
Given the Political blogs Graph polblogs.gml, can you use the CONGA community detection algorithm to identify 3 communities, then export and print the community structure in JSON format?
### Response:
import networkx as nx
from cdlib import algorithms

# Read the political blogs graph
G = nx.read_gml('polblogs.gml')

# Apply the CONGA community detection algorithm to the graph
# with the aim of identifying 3 communities
communities = algorithms.conga(G, number_communities=3)

# Export the community structure to JSON
communities_json = communities.to_json()

# Print the JSON representation of the community structure
print(communities_json)
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