diff --git a/pdf/index_for_pdf.html b/pdf/index_for_pdf.html
index 6589c0a..cd2c530 100644
--- a/pdf/index_for_pdf.html
+++ b/pdf/index_for_pdf.html
@@ -10,13 +10,13 @@
 <strong>arguments, <a href="#arguments">10</a>, <a href="#partial">12</a>, <a href="#commandlinearguments">22</a></strong><br>
 <strong>arrays, <a href="#array">29</a>, <a href="#numpy">37</a>-<a href="#indexing">38</a></strong><br>
 <strong>asyncio module, <a href="#coroutines">33</a></strong><br>
-<strong>audio, <a href="#audio">40</a>-<a href="#writefloatsamplestowavfile">41</a>, <a href="#sound">42</a></strong>  </p>
+<strong>audio, <a href="#audio">40</a>-<a href="#synthesizer">41</a>, <a href="#sound">42</a></strong>  </p>
 <h3 id="b">B</h3>
 <p><strong>beautifulsoup library, <a href="#scrapespythonsurlversionnumberandlogofromitswikipediapage">35</a></strong><br>
 <strong>binary representation, <a href="#ints">7</a>, <a href="#binhex">8</a></strong><br>
 <strong>bitwise operators, <a href="#bitwiseoperators">8</a></strong><br>
 <strong>bottle library, <a href="#web">36</a></strong><br>
-<strong>bytes, <a href="#open">22</a>-<a href="#modes">23</a>, <a href="#pickle">25</a>, <a href="#bytes">28</a>-<a href="#integertypesuseacapitalletterforunsignedtypeminimumandstandardsizesareinbrackets">29</a></strong>  </p>
+<strong>bytes, <a href="#open">22</a>-<a href="#modes">23</a>, <a href="#pickle">25</a>, <a href="#bytes">28</a>-<a href="#memoryview">29</a></strong>  </p>
 <h3 id="c">C</h3>
 <p><strong>cache, <a href="#lrucache">13</a></strong><br>
 <strong>callable, <a href="#callable">17</a></strong><br>
@@ -100,7 +100,7 @@
 <strong>partial function, <a href="#partial">12</a>, <a href="#userdefinedfunctionscannotbevaluessotheymustbewrapped">20</a></strong><br>
 <strong>path, <a href="#path">23</a>-<a href="#direntry">24</a></strong><br>
 <strong>pickle module, <a href="#pickle">25</a></strong><br>
-<strong>pillow library, <a href="#image">39</a></strong><br>
+<strong>pillow library, <a href="#image">39</a>-<a href="#animation">40</a></strong><br>
 <strong>plotting, <a href="#plot">34</a>, <a href="#plotly">47</a>-<a href="#confirmedcovidcasesdowjonesgoldandbitcoinprice">48</a></strong><br>
 <strong>print function, <a href="#print">22</a></strong><br>
 <strong>profiling, <a href="#profiling">36</a>-<a href="#timingasnippet">37</a></strong><br>
@@ -132,9 +132,9 @@
 <strong>subprocess module, <a href="#sends11tothebasiccalculatorandcapturesitsoutput">25</a></strong><br>
 <strong>super function, <a href="#inheritance">14</a></strong><br>
 <strong>synthesizer, <a href="#synthesizer">41</a></strong><br>
-<strong>sys module, <a href="#lrucache">13</a>, <a href="#exit">21</a>-<a href="#print">22</a></strong> </p>
+<strong>sys module, <a href="#lrucache">13</a>, <a href="#exit">21</a>-<a href="#commandlinearguments">22</a></strong> </p>
 <h3 id="t">T</h3>
-<p><strong>table, <a href="#example">27</a>, <a href="#table">34</a>, <a href="#dataframe">45</a>-<a href="#encodedecode">46</a></strong><br>
+<p><strong>table, <a href="#csv">26</a>, <a href="#example">27</a>, <a href="#table">34</a>, <a href="#numpy">37</a>-<a href="#indexing">38</a>, <a href="#dataframe">45</a>-<a href="#aggregatetransformmap-1">46</a></strong><br>
 <strong>template, <a href="#format">6</a>, <a href="#dynamicrequest">36</a></strong><br>
 <strong>threading module, <a href="#threading">30</a></strong><br>
 <strong>time module, <a href="#progressbar">34</a>, <a href="#stopwatch">36</a></strong><br>
diff --git a/pdf/index_for_pdf_print.html b/pdf/index_for_pdf_print.html
index 806bc81..d7d786d 100644
--- a/pdf/index_for_pdf_print.html
+++ b/pdf/index_for_pdf_print.html
@@ -100,8 +100,8 @@
 <strong>partial function, 12, 20</strong><br>
 <strong>path, 23-24</strong><br>
 <strong>pickle module, 25</strong><br>
-<strong>pillow library, 39</strong><br>
-<strong>plotting, 34, 47</strong><br>
+<strong>pillow library, 39-40</strong><br>
+<strong>plotting, 34, 47-48</strong><br>
 <strong>print function, 22</strong><br>
 <strong>profiling, 36-37</strong><br>
 <strong>progress bar, 34</strong><br>
@@ -134,7 +134,7 @@
 <strong>synthesizer, 41</strong><br>
 <strong>sys module, 13, 21-22</strong> </p>
 <h3 id="t">T</h3>
-<p><strong>table, 27, 34, 45-46</strong><br>
+<p><strong>table, 26, 27, 34, 37-38, 45-46</strong><br>
 <strong>template, 6, 36</strong><br>
 <strong>threading module, 30</strong><br>
 <strong>time module, 34, 36</strong><br>