diff --git a/pes/cheatsheets.html b/pes/cheatsheets.html
index dd0effb..c204cb3 100644
--- a/pes/cheatsheets.html
+++ b/pes/cheatsheets.html
@@ -78,9 +78,10 @@
                 <button class="listing" onclick="window.open('./python_cheatsheets/1_intro_to_python_cheatsheet.pdf', '_blank').focus();" type="button">Introduction to Python: Basics and Data Types</button><br><br>
                 <button class="listing" onclick="window.open('./python_cheatsheets/2_operators_cheatsheet.pdf', '_blank').focus();" type="button">Operators</button><br><br>
                 <button class="listing" onclick="window.open('./python_cheatsheets/3_indexing_and_control_cheatsheet.pdf', '_blank').focus();" type="button">Indexing and Control</button><br><br>
+                <button class="listing" onclick="window.open('./python_cheatsheets/4_strings_cheatsheet.pdf', '_blank').focus();" type="button">Strings</button><br><br>
             </center>
         </div><br><br>
-        <!--
+
         <button class="collapsible">EEE Cheatsheets</button>
         <div class="content">
             <br><br>
@@ -88,7 +89,7 @@
                 <button class="listing" onclick="window.open('./eee_wires_cheatsheet.pdf', '_blank').focus();" type="button">Wires</button><br><br>
             </center>
         </div>
-        -->
+
     </main>
     <p>
         <script>
diff --git a/pes/python_cheatsheets/4_strings_cheatsheet.pdf b/pes/python_cheatsheets/4_strings_cheatsheet.pdf
new file mode 100644
index 0000000..6bfc80f
Binary files /dev/null and b/pes/python_cheatsheets/4_strings_cheatsheet.pdf differ