Modified Course3 file

Author: saubhik

Course3

@@ -5,3 +5,9 @@ You can choose onemodule from the list below:-
 3)Binary Trees & BSTs
 4)Priority Queues & Heaps
 5)Graphs & Graph Algorithms
+
+Saubhik Mukherjee
+Graphs & Graph Algorithms
+I learnt how to implement a graph using edge list, adjacency lists and adjacency matrix.
+I learnt how to do BFS and DFS traversals on a graph.
+I learnt how to use Dijkstra's algorithm to find the shortest path from a vertex in a directed graph.