<｜begin▁of▁sentence｜>### Instruction:
Given the Les Miserables social network graph which you can read from a gml file named lesmis.gml, can you use the walkscan community detection method from cdlib to perform community detection? After detecting communities with walkscan, can you generate and print a JSON representation of the detected communities?
### Response:
import networkx as nx
from cdlib import algorithms

G = nx.read_gml('lesmis.gml')
coms = algorithms.walkscan(G, nb_steps=5, eps=0.1, min_samples=3)

# Generate a JSON representation of the detected communities
communities_json = coms.to_json()
print(communities_json)
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