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Exceptions
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‎README.md

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@@ -1407,6 +1407,18 @@ BaseException
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+-- UnicodeError # Raised when encoding/decoding strings from/to bytes fails.
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```
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#### Collections and their execeptions:
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```python
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+-----------+------------+----------+----------+
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| | list | dict | set |
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+-----------+------------+----------+----------+
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| getitem() | IndexError | KeyError | |
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| pop() | IndexError | KeyError | KeyError |
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| remove() | ValueError | | KeyError |
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| index() | ValueError | | |
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+-----------+------------+----------+----------+
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```
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### User-defined Exceptions
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```python
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class MyError(Exception):
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>>> from pprint import pprint
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>>> pprint(dir())
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['__annotations__',
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'__builtins__',
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'__doc__', ...]
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'__builtins__', ...]
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```
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* **Reads a line from user input or pipe if present.**
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* **Trailing newline gets stripped.**
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* **Prompt string is printed to the standard output before reading input.**
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* **Raises EOFError when user hits EOF or input stream gets exhausted.**
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```python
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<str> = input(prompt=None)
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```
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#### Prints lines until EOF:
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```python
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while True:
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try:
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print(input())
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except EOFError:
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break
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```
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Command Line Arguments
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----------------------

‎index.html

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@@ -1309,6 +1309,16 @@
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+-- UnicodeError # Raised when encoding/decoding strings from/to bytes fails.
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</code></pre></div>
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<div><h4 id="collectionsandtheirexeceptions">Collections and their execeptions:</h4><pre><code class="python language-python hljs">+-----------+------------+----------+----------+
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| | list | dict | set |
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+-----------+------------+----------+----------+
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| getitem() | IndexError | KeyError | |
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| pop() | IndexError | KeyError | KeyError |
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| remove() | ValueError | | KeyError |
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| index() | ValueError | | |
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+-----------+------------+----------+----------+
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</code></pre></div>
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<div><h3 id="userdefinedexceptions">User-defined Exceptions</h3><pre><code class="python language-python hljs"><span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">MyError</span><span class="hljs-params">(Exception)</span>:</span>
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<span class="hljs-keyword">pass</span>
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<div><h3 id="prettyprint">Pretty Print</h3><pre><code class="python language-python hljs"><span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> pprint <span class="hljs-keyword">import</span> pprint
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<span class="hljs-meta">&gt;&gt;&gt; </span>pprint(dir())
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[<span class="hljs-string">'__annotations__'</span>,
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<span class="hljs-string">'__builtins__'</span>,
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<span class="hljs-string">'__doc__'</span>, ...]
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<span class="hljs-string">'__builtins__'</span>, ...]
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</code></pre></div>
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<div><h2 id="input"><a href="#input" name="input">#</a>Input</h2><ul>
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<li><strong>Reads a line from user input or pipe if present.</strong></li>
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<li><strong>Trailing newline gets stripped.</strong></li>
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<li><strong>Prompt string is printed to the standard output before reading input.</strong></li>
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<li><strong>Raises EOFError when user hits EOF or input stream gets exhausted.</strong></li>
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</ul><pre><code class="python language-python hljs">&lt;str&gt; = input(prompt=<span class="hljs-keyword">None</span>)
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</code></pre></div>
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<div><h4 id="printslinesuntileof">Prints lines until EOF:</h4><pre><code class="python language-python hljs"><span class="hljs-keyword">while</span> <span class="hljs-keyword">True</span>:
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<span class="hljs-keyword">try</span>:
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print(input())
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<span class="hljs-keyword">except</span> EOFError:
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<span class="hljs-keyword">break</span>
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</code></pre></div>
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<div><h2 id="commandlinearguments"><a href="#commandlinearguments" name="commandlinearguments">#</a>Command Line Arguments</h2><pre><code class="python language-python hljs"><span class="hljs-keyword">import</span> sys
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script_name = sys.argv[<span class="hljs-number">0</span>]
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arguments = sys.argv[<span class="hljs-number">1</span>:]

‎web/script_2.js

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"┃ escapechar │ None │ None │ None ┃\n" +
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"┗━━━━━━━━━━━━━━━━━━┷━━━━━━━━━━━┷━━━━━━━━━━━┷━━━━━━━━━━━━━━┛\n";
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const DIAGRAM_10_A =
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'+-----------+------------+----------+----------+\n' +
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'| | list | dict | set |\n' +
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'+-----------+------------+----------+----------+\n';
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const DIAGRAM_10_B =
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'┏━━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┓\n' +
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'┃ │ list │ dict │ set ┃\n' +
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'┠───────────┼────────────┼──────────┼──────────┨\n' +
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'┃ getitem() │ IndexError │ KeyError │ ┃\n' +
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'┃ pop() │ IndexError │ KeyError │ KeyError ┃\n' +
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'┃ remove() │ ValueError │ │ KeyError ┃\n' +
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'┃ index() │ ValueError │ │ ┃\n' +
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'┗━━━━━━━━━━━┷━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┛\n';
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// isFontAvailable:
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(function(d){function c(c){b.style.fontFamily=c;e.appendChild(b);f=b.clientWidth;e.removeChild(b);return f}var f,e=d.body,b=d.createElement("span");b.innerHTML=Array(100).join("wi");b.style.cssText=["position:absolute","width:auto","font-size:128px","left:-99999px"].join(" !important;");var g=c("monospace"),h=c("serif"),k=c("sans-serif");window.isFontAvailable=function(b){return g!==c(b+",monospace")||k!==c(b+",sans-serif")||h!==c(b+",serif")}})(document);
@@ -176,6 +191,7 @@ if (isFontAvailable('Menlo')) {
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$(`code:contains(${DIAGRAM_7_A})`).html(DIAGRAM_7_B);
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$(`code:contains(${DIAGRAM_8_A})`).html(DIAGRAM_8_B);
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$(`code:contains(${DIAGRAM_9_A})`).html(DIAGRAM_9_B);
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$(`code:contains(${DIAGRAM_10_A})`).html(DIAGRAM_10_B);
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}
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var isMobile = false;

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