help implementing a distributed asynchronous distance vector routing protocol(Python)

Focused on distance tables and routing tables

please comment regarding additional files and information

Node.py

from common import * class Node: def _init_(self, ID, networksimulator, costs): self.myID = ID self.ns = networksimulator num = self.ns. NUM_NODES self.distanceTable = [[@ for i in range(num)] for j in range(num) ] self. routes = [0 for i in range(num) ] # you implement the rest of constructor def recvupdate(self, pkt): self.distanceTable[pkt. sourceid] = pkt.mincosts # you implement the rest of it return def printdt(self): print(" D"+str(self.myID)+" | ", end_"my for i in range(self.ns. NUM NODES) : print("{:3d} ". format(i), end=") print() print(" ----|-", end="") for i in range(self.ns. NUM_NODES) : print(" ------", end-"my print() for i in range(self.ns. NUM_NODES) : print(" {}| ". format(i), end-"" ) for j in range(self.ns. NUM_NODES) : print("{:3d} ". format(self. distanceTable[i][j]), end="> > print() print()