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List and Datetime
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‎README.md

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@@ -29,7 +29,7 @@ if __name__ == '__main__': # Runs main() if file wasn't imported.
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List
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----
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```python
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<list> = <list>[from_inclusive : to_exclusive : ±step_size]
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<list> = <list>[<slice>] # Or: <list>[from_inclusive : to_exclusive : ±step]
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```
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```python
@@ -38,10 +38,10 @@ List
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```
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```python
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<list>.sort()
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<list>.reverse()
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<list> = sorted(<collection>)
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<iter> = reversed(<list>)
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<list>.sort() # Sorts in ascending order.
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<list>.reverse() # Reverses the list in-place.
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<list> = sorted(<collection>) # Returns a new sorted list.
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<iter> = reversed(<list>) # Returns reversed iterator.
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```
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```python
@@ -643,7 +643,6 @@ from dateutil.tz import UTC, tzlocal, gettz, datetime_exists, resolve_imaginary
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### Format
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```python
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>>> from datetime import datetime
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>>> dt = datetime.strptime('2015-05-14 23:39:00.00 +0200', '%Y-%m-%d %H:%M:%S.%f %z')
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>>> dt.strftime("%A, %dth of %B '%y, %I:%M%p %Z")
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"Thursday, 14th of May '15, 11:39PM UTC+02:00"
@@ -653,10 +652,11 @@ from dateutil.tz import UTC, tzlocal, gettz, datetime_exists, resolve_imaginary
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### Arithmetics
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```python
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<D/DT> = <D/DT> ± <TD> # Returned datetime can fall into missing hour.
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<TD> = <D/DTn> - <D/DTn> # Returns the difference, ignoring time jumps.
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<TD> = <DTa> - <DTa> # Ignores time jumps if they share tzinfo object.
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<TD> = <DT_UTC> - <DT_UTC> # Convert DTs to UTC to get the actual delta.
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<D/DT> = <D/DT> ± <TD> # Returned datetime can fall into missing hour.
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<TD> = <D/DTn> - <D/DTn> # Returns the difference, ignoring time jumps.
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<TD> = <DTa> - <DTa> # Ignores time jumps if they share tzinfo object.
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<TD> = <TD> * <real> # Also: <TD> = abs(<TD>) and <TD> = <TD> ±% <TD>
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<float> = <TD> / <TD> # How many weeks/years there are in TD. Also '//'.
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```
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‎index.html

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@@ -226,7 +226,7 @@
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<body>
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<header>
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<aside>October 30, 2021</aside>
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<aside>November 16, 2021</aside>
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<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
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</header>
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@@ -253,16 +253,16 @@
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main()
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</code></pre></div>
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<div><h2 id="list"><a href="#list" name="list">#</a>List</h2><pre><code class="python language-python hljs">&lt;list&gt; = &lt;list&gt;[from_inclusive : to_exclusive : ±step_size]
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<div><h2 id="list"><a href="#list" name="list">#</a>List</h2><pre><code class="python language-python hljs">&lt;list&gt; = &lt;list&gt;[&lt;slice&gt;] <span class="hljs-comment"># Or: &lt;list&gt;[from_inclusive : to_exclusive : ±step]</span>
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</code></pre></div>
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<pre><code class="python language-python hljs">&lt;list&gt;.append(&lt;el&gt;) <span class="hljs-comment"># Or: &lt;list&gt; += [&lt;el&gt;]</span>
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&lt;list&gt;.extend(&lt;collection&gt;) <span class="hljs-comment"># Or: &lt;list&gt; += &lt;collection&gt;</span>
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</code></pre>
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<pre><code class="python language-python hljs">&lt;list&gt;.sort()
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&lt;list&gt;.reverse()
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&lt;list&gt; = sorted(&lt;collection&gt;)
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&lt;iter&gt; = reversed(&lt;list&gt;)
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<pre><code class="python language-python hljs">&lt;list&gt;.sort() <span class="hljs-comment"># Sorts in ascending order.</span>
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&lt;list&gt;.reverse() <span class="hljs-comment"># Reverses the list in-place.</span>
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&lt;list&gt; = sorted(&lt;collection&gt;) <span class="hljs-comment"># Returns a new sorted list.</span>
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&lt;iter&gt; = reversed(&lt;list&gt;) <span class="hljs-comment"># Returns reversed iterator.</span>
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</code></pre>
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<pre><code class="python language-python hljs">sum_of_elements = sum(&lt;collection&gt;)
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elementwise_sum = [sum(pair) <span class="hljs-keyword">for</span> pair <span class="hljs-keyword">in</span> zip(list_a, list_b)]
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&lt;float&gt; = &lt;DTa&gt;.timestamp() <span class="hljs-comment"># Seconds since the Epoch, from DTa.</span>
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</code></pre></div>
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<div><h3 id="format-1">Format</h3><pre><code class="python language-python hljs"><span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> datetime <span class="hljs-keyword">import</span> datetime
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<span class="hljs-meta">&gt;&gt;&gt; </span>dt = datetime.strptime(<span class="hljs-string">'2015-05-14 23:39:00.00 +0200'</span>, <span class="hljs-string">'%Y-%m-%d %H:%M:%S.%f %z'</span>)
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<div><h3 id="format-1">Format</h3><pre><code class="python language-python hljs"><span class="hljs-meta">&gt;&gt;&gt; </span>dt = datetime.strptime(<span class="hljs-string">'2015-05-14 23:39:00.00 +0200'</span>, <span class="hljs-string">'%Y-%m-%d %H:%M:%S.%f %z'</span>)
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<span class="hljs-meta">&gt;&gt;&gt; </span>dt.strftime(<span class="hljs-string">"%A, %dth of %B '%y, %I:%M%p %Z"</span>)
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<span class="hljs-string">"Thursday, 14th of May '15, 11:39PM UTC+02:00"</span>
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</code></pre></div>
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<li><strong><code class="python hljs"><span class="hljs-string">'%Z'</span></code> only accepts <code class="python hljs"><span class="hljs-string">'UTC/GMT'</span></code> and local timezone's code. <code class="python hljs"><span class="hljs-string">'%z'</span></code> also accepts <code class="python hljs"><span class="hljs-string">'±HH:MM'</span></code>.</strong></li>
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<li><strong>For abbreviated weekday and month use <code class="python hljs"><span class="hljs-string">'%a'</span></code> and <code class="python hljs"><span class="hljs-string">'%b'</span></code>.</strong></li>
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</ul>
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<div><h3 id="arithmetics">Arithmetics</h3><pre><code class="python language-python apache hljs">&lt;D/DT&gt; = &lt;D/DT&gt; ± &lt;TD&gt; <span class="hljs-comment"># Returned datetime can fall into missing hour.</span>
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&lt;TD&gt; = &lt;D/DTn&gt; - &lt;D/DTn&gt; <span class="hljs-comment"># Returns the difference, ignoring time jumps.</span>
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&lt;TD&gt; = &lt;DTa&gt; - &lt;DTa&gt; <span class="hljs-comment"># Ignores time jumps if they share tzinfo object.</span>
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&lt;TD&gt; = &lt;DT_UTC&gt; - &lt;DT_UTC&gt; <span class="hljs-comment"># Convert DTs to UTC to get the actual delta.</span>
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<div><h3 id="arithmetics">Arithmetics</h3><pre><code class="python language-python apache hljs">&lt;D/DT&gt; = &lt;D/DT&gt; ± &lt;TD&gt; <span class="hljs-comment"># Returned datetime can fall into missing hour.</span>
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&lt;TD&gt; = &lt;D/DTn&gt; - &lt;D/DTn&gt; <span class="hljs-comment"># Returns the difference, ignoring time jumps.</span>
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&lt;TD&gt; = &lt;DTa&gt; - &lt;DTa&gt; <span class="hljs-comment"># Ignores time jumps if they share tzinfo object.</span>
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&lt;TD&gt; = &lt;TD&gt; * &lt;real&gt; <span class="hljs-comment"># Also: &lt;TD&gt; = abs(&lt;TD&gt;) and &lt;TD&gt; = &lt;TD&gt; ±% &lt;TD&gt;</span>
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&lt;float&gt; = &lt;TD&gt; / &lt;TD&gt; <span class="hljs-comment"># How many weeks/years there are in TD. Also '//'.</span>
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</code></pre></div>
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<div><h2 id="arguments"><a href="#arguments" name="arguments">#</a>Arguments</h2><div><h3 id="insidefunctioncall">Inside Function Call</h3><pre><code class="python language-python hljs">&lt;function&gt;(&lt;positional_args&gt;) <span class="hljs-comment"># f(0, 0)</span>
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<footer>
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<aside>October 30, 2021</aside>
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<aside>November 16, 2021</aside>
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<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
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</footer>
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