diff --git a/index.html b/index.html
index 6802cb5..bfa8f7d 100644
--- a/index.html
+++ b/index.html
@@ -54,7 +54,7 @@
 
 <body>
   <header>
-    <aside>January 28, 2023</aside>
+    <aside>February 1, 2023</aside>
     <a href="https://gto76.github.io" rel="author">Jure Šorn</a>
   </header>
 
@@ -2923,7 +2923,7 @@ $ pyinstaller script.py --add-data '&lt;path&gt;:.'  <span class="hljs-comment">
  
 
   <footer>
-    <aside>January 28, 2023</aside>
+    <aside>February 1, 2023</aside>
     <a href="https://gto76.github.io" rel="author">Jure Šorn</a>
   </footer>
 
diff --git a/pdf/index_for_pdf.html b/pdf/index_for_pdf.html
index 6c445c0..958c739 100644
--- a/pdf/index_for_pdf.html
+++ b/pdf/index_for_pdf.html
@@ -117,12 +117,12 @@
 <strong>regular expressions, <a href="#regex">5</a>-<a href="#specialsequences">6</a></strong><br>
 <strong>requests library, <a href="#scrapespythonsurlversionnumberandlogofromitswikipediapage">35</a>, <a href="#test">36</a></strong>  </p>
 <h3 id="s">S</h3>
-<p><strong>scraping, <a href="#scraping">35</a>, <a href="#basicmariobrothersexample">43</a>, <a href="#dataframeencodedecodeplot">46</a>, <a href="#displaysalinechartoftotalcoronavirusdeathspermilliongroupedbycontinent">47</a>-<a href="#displaysamultiaxislinechartoftotalcoronaviruscasesandchangesinpricesofbitcoindowjonesandgold">48</a></strong><br>
+<p><strong>scope, <a href="#insidefunctiondefinition">10</a>, <a href="#nonlocal">12</a>, <a href="#complexexample">20</a></strong><br>
+<strong>scraping, <a href="#scraping">35</a>, <a href="#basicmariobrothersexample">43</a>, <a href="#dataframeencodedecodeplot">46</a>, <a href="#displaysalinechartoftotalcoronavirusdeathspermilliongroupedbycontinent">47</a>-<a href="#displaysamultiaxislinechartoftotalcoronaviruscasesandchangesinpricesofbitcoindowjonesandgold">48</a></strong><br>
 <strong>sequence, <a href="#abstractbaseclasses">4</a>, <a href="#sequence">18</a>-<a href="#abcsequence">19</a></strong><br>
 <strong>sets, <a href="#set">2</a>, <a href="#abstractbaseclasses">4</a>, <a href="#otheruses">11</a>, <a href="#tableofrequiredandautomaticallyavailablespecialmethods">19</a>, <a href="#collectionsandtheirexceptions">21</a>, <a href="#operator">31</a></strong><br>
 <strong>shell commands, <a href="#shellcommands">25</a></strong><br>
 <strong>sleep function, <a href="#progressbar">34</a></strong><br>
-<strong>slots attribute, <a href="#slots">15</a></strong><br>
 <strong>sortable, <a href="#list">1</a>, <a href="#sortable">16</a></strong><br>
 <strong>splat operator, <a href="#splatoperator">10</a>-<a href="#otheruses">11</a></strong><br>
 <strong>sql, <a href="#sqlite">27</a>, <a href="#dataframeencodedecodeplot">46</a></strong><br>
diff --git a/pdf/index_for_pdf_print.html b/pdf/index_for_pdf_print.html
index 269e723..30ee078 100644
--- a/pdf/index_for_pdf_print.html
+++ b/pdf/index_for_pdf_print.html
@@ -117,12 +117,12 @@
 <strong>regular expressions, 5-6</strong><br>
 <strong>requests library, 35, 36</strong>  </p>
 <h3 id="s">S</h3>
-<p><strong>scraping, 35, 43, 46, 47-48</strong><br>
+<p><strong>scope, 10, 12, 20</strong><br>
+<strong>scraping, 35, 43, 46, 47-48</strong><br>
 <strong>sequence, 4, 18-19</strong><br>
 <strong>sets, 2, 4, 11, 19, 21, 31</strong><br>
 <strong>shell commands, 25</strong><br>
 <strong>sleep function, 34</strong><br>
-<strong>slots attribute, 15</strong><br>
 <strong>sortable, 1, 16</strong><br>
 <strong>splat operator, 10-11</strong><br>
 <strong>sql, 27, 46</strong><br>
