Update main.py

Author: ivanmmarkovic

graphs/minimum-spanning-tree/kruskals-algorithm/main.py

@@ -19,4 +19,4 @@
 g.add_edge('c', 'f', 2)
 g.add_edge('f', 'e', 1)
 
-g.kruskal()
+print(g.kruskal())