# Program to handle multiple errors with one# except statement# Python 3deffun(a):ifa<4:# throws ZeroDivisionError for a = 3b=a/(a-3)# throws NameError if a >= 4print("Value of b = ",b)try:fun(3)fun(5)# note that braces () are necessary here for# multiple exceptionsexceptZer...
Help onclassExceptioninmodule builtins:classException(BaseException)|Common baseclassforallnon-exit exceptions.||Method resolution order:|Exception|BaseException|object||Built-insubclasses:|ArithmeticError|AssertionError|AttributeError|BufferError
如下所示: 1 # -- coding: utf-8 -- 2 3 def ThorwErr(): 4 raise Exception("抛出一个异常") 5 6 # Exception: 抛出一个异常 7 ThorwErr() raise关键字后面是抛出是一个通用的异常类型(Exception),一般来说抛出的异常越详细越好,Python在exceptions模块内建了很多的异常类型,通过使用dir函数来查看...
The execution of a code stops in case of an error. Unexpected situations or conditions might cause errors. Python considers these situations as exceptions and raises different kinds of errors depending on the type of exception. ValueError, TypeError, AttributeError, and SyntaxError are some examples...
https://docs.python.org/3/tutorial/errors.html https://docs.python.org/3/library/exceptions.html...
Print one message if the try block raises aNameErrorand another for other errors: try: print(x) exceptNameError: print("Variable x is not defined") except: print("Something else went wrong") Try it Yourself » See more Error types in ourPython Built-in Exceptions Reference. ...
Python's 'try-except' mechanism is a powerful way to handle errors and exceptions that might occur during the execution of a program. In addition to 'try' and 'except', Python provides 'else' and 'finally' blocks, which allow for even more fine-grained control over what happens when ...
https://docs.python.org/3/library/exceptions.html#exception-hierarchy 记录错误 Python内置的logging模块可以非常容易地记录错误信息: # err_logging.py import logging def foo(s): return 10 / int(s) def bar(s): return foo(s) * 2 def main(): ...
class Error(Exception): """Base class for exceptions in this module.""" pass class InputError(Error): """Exception raised for errors in the input. Attributes: expression -- input expression in which the error occurred message -- explanation of the error """ def __init__(self, expressi...
File"D:/demo/except_try.py", line 10,inadd str1= x +yTypeError: unsupported operand type(s)for +: 'int' and 'str'Process finished with exit code1 python中的异常 请参考文档https://docs.python.org/3/library/exceptions.html#bltin-exceptions ...