diff --git a/pdf/index_for_pdf.html b/pdf/index_for_pdf.html
index 81aaa34..4603c20 100644
--- a/pdf/index_for_pdf.html
+++ b/pdf/index_for_pdf.html
@@ -66,7 +66,7 @@
 <strong>imports, <a href="#imports">12</a></strong><br>
 <strong>inline, <a href="#otheruses">11</a>, <a href="#inline-1">15</a>, <a href="#inline-2">20</a></strong><br>
 <strong>input function, <a href="#input">22</a></strong><br>
-<strong>introspection, <a href="#introspection">31</a></strong><br>
+<strong>introspection,  <a href="#exceptionobject">21</a>, <a href="#introspection">31</a></strong><br>
 <strong>ints, <a href="#abstractbaseclasses">4</a>, <a href="#ints">7</a>, <a href="#binhex">8</a>, <a href="#encode-1">28</a></strong><br>
 <strong>is operator, <a href="#comparable">16</a></strong><br>
 <strong>iterable, <a href="#abstractbaseclasses">4</a>, <a href="#iterable">18</a>, <a href="#tableofrequiredandautomaticallyavailablespecialmethods">19</a></strong><br>
@@ -78,6 +78,7 @@
 <p><strong>lambda, <a href="#lambda">11</a></strong><br>
 <strong>list comprehension, <a href="#comprehensions">11</a></strong><br>
 <strong>lists, <a href="#list">1</a>-<a href="#list">2</a>, <a href="#abstractbaseclasses">4</a>, <a href="#otheruses">11</a>, <a href="#tableofrequiredandautomaticallyavailablespecialmethods">19</a>, <a href="#collectionsandtheirexceptions">21</a></strong><br>
+<strong>locale module, <a href="#sortable">16</a></strong><br>
 <strong>locks, <a href="#lock">30</a>, <a href="#coroutines">33</a></strong><br>
 <strong>logging, <a href="#logging">35</a></strong>  </p>
 <h3 id="m">M</h3>
@@ -124,7 +125,7 @@
 <strong>shell commands, <a href="#shellcommands">25</a></strong><br>
 <strong>sleep function, <a href="#progressbar">34</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>splat operator, <a href="#splatoperator">10</a>-<a href="#otheruses">11</a>, <a href="#readrowsfromcsvfile">26</a></strong><br>
 <strong>sql, <a href="#sqlite">27</a>, <a href="#dataframeencodedecodeplot">46</a></strong><br>
 <strong>statistics, <a href="#statistics">7</a>, <a href="#numpy">37</a>-<a href="#indexing">38</a>, <a href="#pandas">44</a>-<a href="#displaysamultiaxislinechartoftotalcoronaviruscasesandchangesinpricesofbitcoindowjonesandgold">48</a></strong><br>
 <strong>strings, <a href="#abstractbaseclasses">4</a>-<a href="#comparisonofpresentationtypes">7</a>, <a href="#class">14</a></strong><br>
diff --git a/pdf/index_for_pdf_print.html b/pdf/index_for_pdf_print.html
index 001ce8f..6099f8d 100644
--- a/pdf/index_for_pdf_print.html
+++ b/pdf/index_for_pdf_print.html
@@ -66,7 +66,7 @@
 <strong>imports, 12</strong><br>
 <strong>inline, 11, 15, 20</strong><br>
 <strong>input function, 22</strong><br>
-<strong>introspection, 31</strong><br>
+<strong>introspection, 21, 31</strong><br>
 <strong>ints, 4, 7, 8, 28</strong><br>
 <strong>is operator, 16</strong><br>
 <strong>iterable, 4, 18, 19</strong><br>
@@ -78,6 +78,7 @@
 <p><strong>lambda, 11</strong><br>
 <strong>list comprehension, 11</strong><br>
 <strong>lists, 1-2, 4, 11, 19, 21</strong><br>
+<strong>locale module, 16</strong><br>
 <strong>locks, 30, 33</strong><br>
 <strong>logging, 35</strong>  </p>
 <h3 id="m">M</h3>
@@ -124,7 +125,7 @@
 <strong>shell commands, 25</strong><br>
 <strong>sleep function, 34</strong><br>
 <strong>sortable, 1, 16</strong><br>
-<strong>splat operator, 10-11</strong><br>
+<strong>splat operator, 10-11, 26</strong><br>
 <strong>sql, 27, 46</strong><br>
 <strong>statistics, 7, 37-38, 44-48</strong><br>
 <strong>strings, 4-7, 14</strong><br>