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Updated built-in exceptions diagram
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‎README.md

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```
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### Common Built-in Exceptions
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```python
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```text
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BaseException
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├── SystemExit # Raised by the sys.exit() function.
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├── KeyboardInterrupt # Raised when the user hits the interrupt key.
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└── Exception # User-defined exceptions should be derived from this class.
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├── StopIteration # Raised by next() when run on an empty iterator.
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├── ArithmeticError # Base class for arithmetic errors.
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│ └── ZeroDivisionError # Raised when dividing by zero.
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├── AttributeError # Raised when an attribute is missing.
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├── EOFError # Raised by input() when it hits end-of-file condition.
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├── LookupError # Raised when a look-up on sequence or dict fails.
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│ ├── IndexError # Raised when a sequence index is out of range.
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│ └── KeyError # Raised when a dictionary key is not found.
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├── NameError # Raised when a variable name is not found.
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├── OSError # Failures such as “file not found” or “disk full”.
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│ └── FileNotFoundError # When a file or directory is requested but doesn't exist.
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├── RuntimeError # Raised by errors that don't fall in other categories.
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│ └── RecursionError # Raised when the the maximum recursion depth is exceeded.
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├── TypeError # Raised when an argument is of wrong type.
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└── ValueError # When an argument is of right type but inappropriate value.
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└── UnicodeError # Raised when encoding/decoding strings from/to bytes fails.
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+-- SystemExit # Raised by the sys.exit() function.
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+-- KeyboardInterrupt # Raised when the user hits the interrupt key.
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+-- Exception # User-defined exceptions should be derived from this class.
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+-- StopIteration # Raised by next() when run on an empty iterator.
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+-- ArithmeticError # Base class for arithmetic errors.
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| +-- ZeroDivisionError # Raised when dividing by zero.
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+-- AttributeError # Raised when an attribute is missing.
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+-- EOFError # Raised by input() when it hits end-of-file condition.
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+-- LookupError # Raised when a look-up on sequence or dict fails.
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| +-- IndexError # Raised when a sequence index is out of range.
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| +-- KeyError # Raised when a dictionary key is not found.
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+-- NameError # Raised when a variable name is not found.
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+-- OSError # Failures such as “file not found” or “disk full”.
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| +-- FileNotFoundError # When a file or directory is requested but doesn't exist.
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+-- RuntimeError # Raised by errors that don't fall in other categories.
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| +-- RecursionError # Raised when the the maximum recursion depth is exceeded.
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+-- TypeError # Raised when an argument is of wrong type.
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+-- ValueError # When an argument is of right type but inappropriate value.
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+-- UnicodeError # Raised when encoding/decoding strings from/to bytes fails.
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```
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### User-defined Exceptions

‎index.html

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@@ -1258,26 +1258,26 @@ <h4 id="reraisingcaughtexception">Re-raising caught exception:</h4>
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<span class="hljs-keyword">raise</span>
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</code></pre>
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<h3 id="commonbuiltinexceptions">Common Built-in Exceptions</h3>
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<pre><code class="python language-python hljs">BaseException
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├── SystemExit <span class="hljs-comment"># Raised by the sys.exit() function.</span>
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├── KeyboardInterrupt <span class="hljs-comment"># Raised when the user hits the interrupt key.</span>
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└── Exception <span class="hljs-comment"># User-defined exceptions should be derived from this class.</span>
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├── StopIteration <span class="hljs-comment"># Raised by next() when run on an empty iterator.</span>
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├── ArithmeticError <span class="hljs-comment"># Base class for arithmetic errors.</span>
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│ └── ZeroDivisionError <span class="hljs-comment"># Raised when dividing by zero.</span>
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├── AttributeError <span class="hljs-comment"># Raised when an attribute is missing.</span>
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├── EOFError <span class="hljs-comment"># Raised by input() when it hits end-of-file condition.</span>
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├── LookupError <span class="hljs-comment"># Raised when a look-up on sequence or dict fails.</span>
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│ ├── IndexError <span class="hljs-comment"># Raised when a sequence index is out of range.</span>
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│ └── KeyError <span class="hljs-comment"># Raised when a dictionary key is not found.</span>
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├── NameError <span class="hljs-comment"># Raised when a variable name is not found.</span>
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├── OSError <span class="hljs-comment"># Failures such as “file not found” or “disk full”.</span>
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│ └── FileNotFoundError <span class="hljs-comment"># When a file or directory is requested but doesn't exist.</span>
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├── RuntimeError <span class="hljs-comment"># Raised by errors that don't fall in other categories.</span>
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│ └── RecursionError <span class="hljs-comment"># Raised when the the maximum recursion depth is exceeded.</span>
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├── TypeError <span class="hljs-comment"># Raised when an argument is of wrong type.</span>
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└── ValueError <span class="hljs-comment"># When an argument is of right type but inappropriate value.</span>
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└── UnicodeError <span class="hljs-comment"># Raised when encoding/decoding strings from/to bytes fails.</span>
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<pre><code class="text language-text">BaseException
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+-- SystemExit # Raised by the sys.exit() function.
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+-- KeyboardInterrupt # Raised when the user hits the interrupt key.
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+-- Exception # User-defined exceptions should be derived from this class.
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+-- StopIteration # Raised by next() when run on an empty iterator.
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+-- ArithmeticError # Base class for arithmetic errors.
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| +-- ZeroDivisionError # Raised when dividing by zero.
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+-- AttributeError # Raised when an attribute is missing.
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+-- EOFError # Raised by input() when it hits end-of-file condition.
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+-- LookupError # Raised when a look-up on sequence or dict fails.
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| +-- IndexError # Raised when a sequence index is out of range.
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| +-- KeyError # Raised when a dictionary key is not found.
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+-- NameError # Raised when a variable name is not found.
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+-- OSError # Failures such as “file not found” or “disk full”.
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| +-- FileNotFoundError # When a file or directory is requested but doesn't exist.
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+-- RuntimeError # Raised by errors that don't fall in other categories.
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| +-- RecursionError # Raised when the the maximum recursion depth is exceeded.
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+-- TypeError # Raised when an argument is of wrong type.
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+-- ValueError # When an argument is of right type but inappropriate value.
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+-- UnicodeError # Raised when encoding/decoding strings from/to bytes fails.
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</code></pre>
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<h3 id="userdefinedexceptions">User-defined Exceptions</h3>
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<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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