correcting names Nbs 21 and 22

Author: sbonaretti

index.html

@@ -326,8 +326,8 @@ <h3 class="resume-title"></h3>
             <div class="resume-item pb-0">
               <h4>PART 6: Focus on lists and for loop </h4>
               <ol start="21">
-                <a href="assets/notebooks/21_list_recap.ipynb" onclick="download"><li>Overview of lists<br> <i>Operations, methods, and tricks</i></li></a>
-                <a href="assets/notebooks/22_for_recap.ipynb" onclick="download" ><li>More about the for loop<br> <i>Various ways of repeating commands on lists and beyond</i></li></a>
+                <a href="assets/notebooks/21_list_overview.ipynb" onclick="download"><li>Overview of lists<br> <i>Operations, methods, and tricks</i></li></a>
+                <a href="assets/notebooks/22_for_overview.ipynb" onclick="download" ><li>More about the for loop<br> <i>Various ways of repeating commands on lists and beyond</i></li></a>
                 <li>Lists of lists<br>  <i>Slicing, nested for loops, and flattening</i></li>
               </ol>
             </div>