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@@ -4431,6 +4431,33 @@ <h1>Exercices</h1>
 <div class="admonition example">
 <p class="admonition-title">Exercice  7</p>
 <p>Exercice 3 du sujet <a class="" href="https://glassus.github.io/terminale_nsi/T6_Annales/data/2023/2023_Centres_Etrangers_J2.pdf" target="blank">Centres Etrangers J2 - 2023</a></p>
+<details class="success">
+<summary>Correction Q1.a.</summary>
+<p><code>'Bonjour Alan !'</code>    </p>
+</details>
+<details class="success">
+<summary>Correction Q1.b.</summary>
+<p>Ce sont des booléens. <code>x</code> vaut <code>False</code>, <code>y</code> vaut <code>True</code>.        </p>
+</details>
+<details class="success">
+<summary>Correction Q1.c.</summary>
+<div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal">1</span>
+<span class="normal">2</span>
+<span class="normal">3</span>
+<span class="normal">4</span>
+<span class="normal">5</span>
+<span class="normal">6</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="k">def</span> <span class="nf">occurences_lettre</span><span class="p">(</span><span class="n">une_chaine</span><span class="p">,</span> <span class="n">une_lettre</span><span class="p">):</span>
+    <span class="n">nb</span> <span class="o">=</span> <span class="mi">0</span>
+    <span class="k">for</span> <span class="n">lettre</span> <span class="ow">in</span> <span class="n">une_chaine</span><span class="p">:</span>
+        <span class="k">if</span> <span class="n">lettre</span> <span class="o">==</span> <span class="n">une_lettre</span><span class="p">:</span>
+            <span class="n">nb</span> <span class="o">+=</span> <span class="mi">1</span>
+    <span class="k">return</span> <span class="n">nb</span>
+</code></pre></div></td></tr></table></div>
+</details>
+<details class="success">
+<summary>Correction Q2.a</summary>
+<p><img alt="image" class="center" src="../data/23-NSIJ2G11_1.png" /></p>
+</details>
 <ul>
 <li>Fichier des mots français : <a href="../data/gutenberg.txt">gutenberg.txt</a></li>
 <li>Instruction pour créer une liste à partir du fichier :