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+# Summary of what I learned in Day 4.
+## Things I learned from first phase session.
+<ul>
+  <li>What is the basic knowledge of Technical Documentation .</li>
+  <li>What are the things you should take in mind while contributing in technical documnentation.</li>
+  <li>What is DITA .</li> 
+  <li>What is BAD CONTRIBUTION .</li>
+</ul>
+
+  ## Things I learned from Second phase of session.  
+  <ul>
+  <li> What is Markdown Language. </li>
+  <li> What are the various tags used in Mardkdown Language.</li>
+  <li> How to make changes in Readme.md .</li>
+  
+  </ul>
+