<｜begin▁of▁sentence｜>### Instruction:
Given a square graph g1 with edges [(0, 1), (1, 2), (2, 3), (3, 0)] and a pentagon graph g2 with a diagonal and edges [(0, 1), (1, 2), (2, 0), (0, 3), (3, 4), (4, 0)], can you use the `count_subisomorphisms_vf2` function to determine the number of ways the square (g1) fits into the pentagon with a diagonal (g2)?
### Response:
from igraph import Graph

# Assume g1 and g2 are predefined graphs
# Create two graphs for demo purposes
g1 = Graph([(0, 1), (1, 2), (2, 3), (3, 0)]) # A square
g2 = Graph([(0, 1), (1, 2), (2, 0), (0, 3), (3, 4), (4, 0)]) # A pentagon with a diagonal

# Count the number of subisomorphisms from g1 to g2
subiso_count = g1.count_subisomorphisms_vf2(g2)

print(subiso_count)
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