diff --git a/Course3 b/Course3
index f980eeb..518cc4b 100644
--- a/Course3
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@@ -11,3 +11,17 @@ 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.
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+<<<<<<< HEAD
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+>>>>>>> 60191a9696d238b9c346222b297f30f8a313641b
+Hi, this is ThaoAnna
+Hashtables
+I have learnt how to read a hash code by using git command
+I have learnt how to make a sentence to a hash by using git
+<<<<<<< HEAD
+I have learnt how to clone, change name, change text in file using command 
+=======
+I have learnt how to clone, change name, change text in file using command.
+>>>>>>> 60191a9696d238b9c346222b297f30f8a313641b