<TD> = <D/DTn> - <D/DTn> # Returns the difference, ignoring time jumps.

<TD> = <DTa> - <DTa> # Ignores time jumps if they share tzinfo object.

<TD> = <TD> * <real> # Also: <TD> = abs(<TD>) and <TD> = <TD> ±% <TD>.

<bool> = path.isdir(<path>) # Or: <DirEntry/Path>.is_dir()

**Using scandir() instead of listdir() can significantly increase the performance of code that also needs file type information.**

<list> = next(<reader>) # Returns next row as a list of strings.

<list> = list(<reader>) # Returns a list of remaining rows.

* **File must be opened with a `'newline=""'` argument, or newlines embedded inside quoted fields will not be interpreted correctly!**

<header>

<a href="https://gto76.github.io" rel="author">Jure Šorn</a>

</header>

&lt;TD&gt; = &lt;D/DTn&gt; - &lt;D/DTn&gt; <span class="hljs-comment"># Returns the difference, ignoring time jumps.</span>

&lt;TD&gt; = &lt;DTa&gt; - &lt;DTa&gt; <span class="hljs-comment"># Ignores time jumps if they share tzinfo object.</span>

&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>

<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>

&lt;bool&gt; = path.isfile(&lt;path&gt;) <span class="hljs-comment"># Or: &lt;DirEntry/Path&gt;.is_file()</span>

&lt;bool&gt; = path.isdir(&lt;path&gt;) <span class="hljs-comment"># Or: &lt;DirEntry/Path&gt;.is_dir()</span>

<div><h3 id="direntry">DirEntry</h3><p><strong>Using scandir() instead of listdir() can significantly increase the performance of code that also needs file type information.</strong></p><pre><code class="python language-python hljs">&lt;iter&gt; = scandir(path=<span class="hljs-string">'.'</span>) <span class="hljs-comment"># Returns DirEntry objects located at path.</span>

&lt;str&gt; = &lt;DirEntry&gt;.path <span class="hljs-comment"># Returns whole path as a string.</span>

&lt;str&gt; = &lt;DirEntry&gt;.name <span class="hljs-comment"># Returns final component as a string.</span>

<li><strong>File must be opened with a <code class="python hljs"><span class="hljs-string">'newline=""'</span></code> argument, or newlines embedded inside quoted fields will not be interpreted correctly!</strong></li>

<div><h3 id="write">Write</h3><pre><code class="python language-python hljs">&lt;writer&gt; = csv.writer(&lt;file&gt;) <span class="hljs-comment"># Also: `dialect='excel', delimiter=','`.</span>

<li><strong>Coroutine definition starts with <code class="python hljs"><span class="hljs-string">'async'</span></code> and its call with <code class="python hljs"><span class="hljs-string">'await'</span></code>.</strong></li>

<li><strong><code class="python hljs"><span class="hljs-string">'asyncio.run(&lt;coroutine&gt;)'</span></code> is the main entry point for asynchronous programs.</strong></li>

<li><strong>Functions wait(), gather() and as_completed() can be used when multiple coroutines need to be started at the same time.</strong></li>

</ul><div><h4 id="runsaterminalgamewhereyoucontrolanasteriskthatmustavoidnumbers">Runs a terminal game where you control an asterisk that must avoid numbers:</h4><pre><code class="python language-python hljs"><span class="hljs-keyword">import</span> asyncio, collections, curses, curses.textpad, enum, random

P = collections.namedtuple(<span class="hljs-string">'P'</span>, <span class="hljs-string">'x y'</span>) <span class="hljs-comment"># Position</span>

<footer>

<a href="https://gto76.github.io" rel="author">Jure Šorn</a>

</footer>

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