Built-in ExceptionsThe table below shows built-in exceptions that are usually raised in Python:ExceptionDescription ArithmeticError Raised when an error occurs in numeric calculations AssertionError Raised when
1. Raising Built-in Exceptions 2. 自定义异常 2. Custom Exceptions 异常处理最佳实践 Exception Handling Best Practices 1. 具体异常优先 先捕获具体异常，再捕获通用异常 Catch specific exceptions before general ones 2. 避免空except块 3. 异常信息丰富 4. 日志记录异常 实用示例 Practical Examples 示例1：...
defcurrent_exception():forframeininspect.trace():ifframe[3]=='risky_function':returnframe[0].f_locals.get('e')try:risky_function()except Exceptionase:print(current_exception()) 15、创建动态异常类 types模块可以动态创建异常类。这对于基于运行时条件动态生成自定义异常非常有用。 代码语言:javascript...
What are Python built-in exceptions? What are the 3 types of errors in Python? What is python valueerror? How do you fix a value error in Python? math.sqrt() with a Negative Number Removing Value from a List or Set How do you raise a value error exception in Python? Handling ValueErr...
Python:built-in exceptions Exception hierarchy¶ The class hierarchy for built-in exceptions is: BaseException +-- SystemExit +-- KeyboardInterrupt +-- GeneratorExit +-- Exception +-- StopIteration +-- StopAsyncIteration +-- ArithmeticError...
| ZeroDivisionError|Division (ormodulus) by zeroerror(allnumeric types)| | AssertionError|Failureofassertstatement| | AttributeError|No such objectattribute| | EOFError|End-of-filemarker reached without input from built-in| | EnvironmentError|Base classforoperating system environment errors| ...
importtypesDynamicException= types.new_class('DynamicException', (Exception,)) raiseDynamicException("A dynamically created exception") 16、访问所有内置异常 builtins可以列出Python中可用的所有内置异常,帮助我们了解层次结构和各种异常。 importbuiltinsfornameindir(builtins): ...
Return the next item from the container. If there are no further items, raise the StopIteration exception. This method corresponds to the tp_iternext slot of the type structure for Python objects in the Python/C API. 1.6. sequence types-list, tuple,range ...
except Exception as E: raise TypeError('bad input') from E 1. 2. 3. 4. 执行的结果如下: Traceback (most recent call last): File "hh.py", line 2, in <module> 1/0 ZeroDivisionError: division by zero The above exception was the direct cause of the following exception: ...
builtins– 内置函数和异常警告 待实现。 此处介绍了所有内置函数和异常, 它们可通过 builtins 模块获得。Functions and types abs() all() any() bin() class bool class bytearray class bytes |see_cpython| python:bytes. callable() chr() classmethod() compile() class complex delattr(obj, name) ...