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[Tut] Python List Methods Cheat Sheet [Instant PDF Download] - xSicKxBot - 04-14-2020
Python List Methods Cheat Sheet [Instant PDF Download]
<div><p>Here’s your free PDF cheat sheet showing you all Python list methods on one simple page. Click the image to download the high-resolution PDF file, print it, and post it to your office wall:</p>
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<figure class="aligncenter size-large"><a href="https://blog.finxter.com/wp-content/uploads/2020/04/Python-List-Methods-Cheat-Sheet.pdf" target="_blank" rel="noopener noreferrer"><img src="https://blog.finxter.com/wp-content/uploads/2020/04/Python-List-Methods-Cheat-Sheet.jpg" alt="" class="wp-image-7544" srcset="https://blog.finxter.com/wp-content/uploads/2020/04/Python-List-Methods-Cheat-Sheet.jpg 670w, https://blog.finxter.com/wp-content/uploads/2020/04/Python-List-Methods-Cheat-Sheet-231x300.jpg 231w" sizes="(max-width: 670px) 100vw, 670px" /></a></figure>
</div>
<div class="wp-block-buttons aligncenter">
<div class="wp-block-button"><a class="wp-block-button__link has-background has-vivid-cyan-blue-background-color" href="https://blog.finxter.com/wp-content/uploads/2020/04/Python-List-Methods-Cheat-Sheet.pdf" style="border-radius:9px" target="_blank" rel="noreferrer noopener">Instant PDF Download [100% FREE]</a></div>
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<p>I’ll lead you through all <a href="https://blog.finxter.com/python-list-methods/" target="_blank" rel="noreferrer noopener">Python list methods</a> in this short video tutorial:</p>
<figure class="wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio">
<div class="wp-block-embed__wrapper">
<div class="ast-oembed-container"><iframe title="Python List Methods" width="1400" height="788" src="https://www.youtube.com/embed/4j8B9a_kZY4?feature=oembed" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></div>
</div>
</figure>
<p>If you want to study the methods yourself, have a look at the following table from <a href="https://blog.finxter.com/python-lists/" target="_blank" rel="noreferrer noopener">my blog article</a>:</p>
<figure class="wp-block-table is-style-stripes">
<table>
<thead>
<tr>
<th>Method</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-append/" target="_blank" rel="noreferrer noopener">lst.append(x)</a></code></td>
<td>Appends element <code>x</code> to the list <code>lst</code>.</td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-clear/" target="_blank" rel="noreferrer noopener"><code>lst</code>.clear()</a></code></td>
<td>Removes all elements from the list <code>lst</code>–which becomes empty.</td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-copy/" target="_blank" rel="noreferrer noopener">lst.copy()</a></code></td>
<td>Returns a copy of the list <code>lst</code>. Copies only the list, not the elements in the list (shallow copy).</td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-count/" target="_blank" rel="noreferrer noopener">lst.count(x)</a></code></td>
<td>Counts the number of occurrences of element <code>x</code> in the list <code>lst</code>.</td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-extend/" target="_blank" rel="noreferrer noopener">lst.extend(iter)</a></code></td>
<td>Adds all elements of an iterable <code>iter</code>(e.g. another list) to the list <code>lst</code>. </td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-index/" target="_blank" rel="noreferrer noopener">lst.index(x)</a></code></td>
<td>Returns the position (index) of the first occurrence of value <code>x</code> in the list <code>lst</code>. </td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-insert-method/" target="_blank" rel="noreferrer noopener">lst.insert(i, x)</a></code></td>
<td>Inserts element <code>x</code> at position (index) <code>i</code> in the list <code>lst</code>.</td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-pop/" target="_blank" rel="noreferrer noopener">lst.pop()</a></code></td>
<td>Removes and returns the final element of the list <code>lst</code>. </td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-remove/" target="_blank" rel="noreferrer noopener">lst.remove(x)</a></code></td>
<td>Removes and returns the first occurrence of element <code>x</code> in the list <code>lst</code>. </td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-reverse/" target="_blank" rel="noreferrer noopener">lst.reverse()</a></code></td>
<td>Reverses the order of elements in the list <code>lst</code>. </td>
</tr>
<tr>
<td><code><a href="https://blog.finxter.com/python-list-sort/" target="_blank" rel="noreferrer noopener">lst.sort()</a></code></td>
<td>Sorts the elements in the list <code>lst</code> in ascending order.</td>
</tr>
</tbody>
</table>
</figure>
<p><strong>Go ahead and try the Python list methods yourself:</strong></p>
<p> <iframe src="https://repl.it/repls/UnevenHoneydewOctagon?lite=true" scrolling="no" allowtransparency="true" allowfullscreen="true" sandbox="allow-forms allow-pointer-lock allow-popups allow-same-origin allow-scripts allow-modals" width="100%" height="1100px" frameborder="no"></iframe> </p>
<p><strong><em>Puzzle: Can you figure out all outputs of this interactive Python script?</em></strong></p>
<p>If you’ve studied the table carefully, you’ll know the most important list methods in Python. Let’s have a look at some examples of above methods:</p>
<pre class="EnlighterJSRAW" data-enlighter-language="generic" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">>>> l = []
>>> l.append(2)
>>> l
[2]
>>> l.clear()
>>> l
[]
>>> l.append(2)
>>> l
[2]
>>> l.copy()
[2]
>>> l.count(2)
1
>>> l.extend([2,3,4])
>>> l
[2, 2, 3, 4]
>>> l.index(3)
2
>>> l.insert(2, 99)
>>> l
[2, 2, 99, 3, 4]
>>> l.pop()
4
>>> l.remove(2)
>>> l
[2, 99, 3]
>>> l.reverse()
>>> l
[3, 99, 2]
>>> l.sort()
>>> l
[2, 3, 99]</pre>
<h2>Where to Go From Here?</h2>
<p>Want more cheat sheets? Excellent. I believe learning with cheat sheets is one of the most efficient learning techniques. <a href="https://blog.finxter.com/subscribe/" target="_blank" rel="noreferrer noopener">Join my free Python email list </a>where I’ll send you more than 10 new Python cheat sheets and regular Python courses for continuous improvement. It’s free!</p>
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