Update discussion.md

DISC-13

discussion.md

@@ -125,7 +125,14 @@ This page will be updated with discussion Worksheets and Solutions throughout th
       <td><a href="https://docs.google.com/document/d/1uoCxBYcpkIrmfufSwdlLx1z21oJu0vD7ZmckENWsg0k/edit?usp=sharing">Worksheet</a></td>
       <td><a href="https://bit.ly/compsci10">Solutions</a></td>
       <td><a href="https://drive.google.com/file/d/1caTDl_71y4-z3Pxf-ksU8lz2F8FC2GRI/view?usp=sharing">Recording</a></td>
-      <td><a href=""> Slides</a><br/><a href="https://drive.google.com/file/d/1UBNH5vAP7WH1RgQJCdNV6fTpvQEotokL/view?usp=sharing"></td>
+      <td><a href="https://drive.google.com/file/d/1UBNH5vAP7WH1RgQJCdNV6fTpvQEotokL/view?usp=sharing">Slides</a></td>
+    </tr>
+    <td>Discussion 13</td>
+      <td>Social Implications | Python HOFs and Tree-Recursion Contd.</td>
+      <td><a href="https://docs.google.com/document/d/1yE0pWDKPRXptUTteqb79z6qMKBtsKd_DseOTZ5as_A0/edit?usp=sharing">Worksheet</a></td>
+      <td><a href="https://bit.ly/compsci10">Solutions</a></td>
+      <td><a href="">Recording</a></td>
+      <td>NO Slides</td>
     </tr>
   </tbody>
 </table>