class Graph:
 def __init__(self, vertex):
 self.vertex = vertex
 self.graph = [[0] * vertex for i in range(vertex)]

 def add_edge(self, u, v):
 self.graph[u - 1][v - 1] = 1
 self.graph[v - 1][u - 1] = 1

 def show(self):

 for i in self.graph:
 for j in i:
 print(j, end=" ")
 print(" ")


g = Graph(100)

g.add_edge(1, 4)
g.add_edge(4, 2)
g.add_edge(4, 5)
g.add_edge(2, 5)
g.add_edge(5, 3)
g.show()