<｜begin▁of▁sentence｜>### Instruction:
As a clinical psychologist, I often use tools and methods to analyze and understand complex patterns in human behavior. In a similar manner, in the world of networks and relationships, it's important to be able to identify and analyze interconnected structures. Here, we have a network represented by a set of edges. Given this data, we want to use a function called k_core from igraph to identify the 3-core of the given graph and print out the edge list for further analysis. This process mirrors the approach I take when delving into the core challenges of complex human interactions and emotional dynamics.
### Response:
from igraph import Graph

# Create a graph
edges = [(0, 1), (0, 2), (1, 2), (1, 3), (2, 3), (3, 4), (4, 5), (5, 6), (6, 7), (7, 4)]
g = Graph(edges=edges)

# Get the 3-core of the graph
k_core_3 = g.k_core(3)

# Print the edges of the 3-core
print(k_core_3.get_edgelist())
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