Graph.is_tree

Check if the graph is a tree

Usage

is_tree()

Returns:
      Boolean
            True if the graph is a tree.

Example

from jellybeans.structures import Graphg = Graph()g.add_vertex(1)g.add_vertex(5)g.add_vertex(9)g.add_bidirected_edge(1, 5, (20, 30))g.add_edge(5, 9, 12)print(g.is_tree()) # False