part 1- graph theory

Author: Tanmay-901

unweighted-graph.py

@@ -0,0 +1,14 @@
+# part 1- graph theory
+# make a dictionary of all the nodes(vertices) in the unordered graph
+from collections import defaultdict
+
+graph = defaultdict(list)
+v,e = map(int,input().split())
+# v -> no. of vertices
+# e -> no. of edges
+for i in range(e):
+    u, v = input().split()
+    graph[u].append(v)
+    graph[v].append(u)
+for i in graph:
+    print(i,graph[i])