    <a href='#section-45'>#</a>
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            <p>追跡したメトリクスを保存する</p>

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            <div class="highlight"><pre><span class="lineno">161</span>        <span class="n">tracker</span><span class="o">.</span><span class="n">save</span><span class="p">()</span></pre></div>
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