Gd dZddlmZddlZddlmcmZ ddl Z ej dddZ ej e dZded<e ZeeeD]~Zeed zeeD]cZe jeedeedz eed eed z ZeZe eee de je d ZeejeZejeed d eje ededdde deej!dS)ac ========================== Traveling Salesman Problem ========================== This is an example of a drawing solution of the traveling salesman problem The function is used to produce the solution is christofides, where given a set of nodes, it calculates the route of the nodes that the traveler has to follow in order to minimize the total cost. Ng?)radiusseedpos)?r)weightr bluer) edge_colorwidthTred) with_labelsedgelistr node_sizer zThe route of the traveller is:)"__doc__matplotlib.pyplotpyplotpltnetworkxnx!networkx.algorithms.approximation algorithms approximationnx_appmathrandom_geometric_graphGget_node_attributesrcopyHrangelenijhypotdistadd_edge christofidescyclelistutilspairwise edge_listdraw_networkx_edges draw_networkxprintshow3share/doc/networkx-3.1/examples/drawing/plot_tsp.pyr7s   222222222 Bb1555bQ&& AFFHH ss3xx&&A U1q5##c(( # #&&tz#a&)c!fQi/QSVAY1FGG 1a %%%%& Ah/// D""5)) * * q#&<<<<  &... r5