👉 In the context of computer science and programming, "petersen" is a type of graph. A Petersen graph is a simple undirected graph with 10 vertices and 9 edges. Here's an example of how you might define this graph: ```python from collections import defaultdict def make_petersen_graph(n): """ Create a Petersen graph with n nodes. Parameters: n (int): The number of nodes in the Petersen graph.
