<｜begin▁of▁sentence｜>### Instruction:
As a flight attendant, you are responsible for ensuring the safety and comfort of passengers on airplanes during flights. Suppose you are working with a small group of flight attendants to arrange seats for passengers in a cycle of 4 rows. You want to use the seating arrangement to calculate the minimum distance a passenger would need to walk to complete a cycle around the 4 rows. You wonder if there is a tool, such as the "girth" function in the igraph API, that can help you calculate the minimum distance in this scenario.
### Response:
import igraph as ig

# Create a graph with 5 vertices and a cycle of length 4
g = ig.Graph(edges=[(0, 1), (1, 2), (2, 3), (3, 0)])

# Calculate the girth of the graph
graph_girth = g.girth()

# Print the girth of the graph
print('The girth of the graph is:', graph_girth)
<|EOT|>
