<｜begin▁of▁sentence｜>### Instruction:
As a statistical analyst, I've been tasked with analyzing a zipped GraphML file (compressed_graph.graphmlz) that contains a collection of graphs. My objective is to use the igraph library to read the first graph from the file and output its summary. This will provide valuable insights into the structure and properties of the data, allowing for informed decision-making.
### Response:
import igraph as ig

# Read the graph from a zipped GraphML file
file_name = 'compressed_graph.graphmlz'
graph_index = 0 # Specify which graph to load, starting from index 0
graph = ig.Graph.Read_GraphMLz(f=file_name, index=graph_index)

# Use the graph for further analysis
print(graph.summary())
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