from matplotlib import pyplot as plt
import networkx as nx
G=nx.Graph()
G.add_nodes_from([1,2,3])
G.add_edges_from([(1,2),(1,3)])
nx.draw_networkx(G)
plt.show()

from matplotlib import pyplot as plt
import networkx as nx
G=nx.Graph()
G.add_nodes_from([1,2,3])
G.add_edges_from([(1,2),(1,3)])
G.add_edges_from([(2,3),(1,2)])
nx.draw_networkx(G)
plt.show()

CSDN搜索:Python Networkx基础知识及使用总结