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- import networkx as nx
- def test_is_at_free():
- is_at_free = nx.asteroidal.is_at_free
- cycle = nx.cycle_graph(6)
- assert not is_at_free(cycle)
- path = nx.path_graph(6)
- assert is_at_free(path)
- small_graph = nx.complete_graph(2)
- assert is_at_free(small_graph)
- petersen = nx.petersen_graph()
- assert not is_at_free(petersen)
- clique = nx.complete_graph(6)
- assert is_at_free(clique)
- line_clique = nx.line_graph(clique)
- assert not is_at_free(line_clique)
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