<｜begin▁of▁sentence｜>### Instruction:
As a game designer working on a new multiplayer strategy game, you have a network of 100 cities representing the game world connected by roads influenced by an Erdos-Renyi model (p=0.1). How can you implement a progress updater using the Unity game engine's Coroutine system to keep players informed about the ongoing process of detecting alliances between cities and display the progress updates in real-time on the game interface?
### Response:
import igraph as ig

# Define a simple progress handler function that prints the progress
def progress_handler(message, progress):
    print(f"{message}: {progress}%")

# Create a graph
g = ig.Graph.Erdos_Renyi(100, 0.1)

# Set the progress handler for potentially long operations
ig.set_progress_handler(progress_handler)

# Run a long operation, such as community detection with a specific algorithm
g.community_multilevel(return_levels=True)
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