Catch One of Multiple Possible Python Exceptions Using Its Superclass You’ve already learned how different exceptions are objects instantiated from different classes. These classes all belong to the Python exception class hierarchy. All Python exceptions inherit from a class named BaseException, and on...
Separating the exception from the variable with a comma will still work in Python 2.6 and 2.7, but is now deprecated; now you should be using as.
If you write the code to handle a single exception, you can have a variable follow the name of the exception in the except statement. If you are trapping multiple exceptions, you can have a variable follow the tuple of the exception. This variable receives the value of the exception mostly...
# 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...
3. 4. 5. 6. 7. 8. 9. 10. 当然,我们也可以一次捕捉多个异常,我们将可能的异常包装在一个元组中,如下面的代码片段中所示。当我们调用函数时,我们分别触发ValueError和ZeroDivisionError。可以看到两种异常都被捕获到了 >>>#Afunction that handles multiple exceptions>>>defdivide_six(number):...try:......
Instead of except*, the backport uses an exceptiongroup.catch() context manager to handle multiple errors. You can learn more about catching multiple exceptions in How to Catch Multiple Exceptions in Python.Remove ads Asynchronous Task Groups in Python 3.11 You learned about exception groups in ...
You can also add more exception-handling branches or even a generic except to catch all unspecified types of exceptions. 此外，else 和 finally 子句也可以用于扩展异常处理的功能： Additionally, the else and finally clauses can be used to extend the functionality of exception handling: else: ...
Make sure all variables passed to a function are the same type. If you’re working with something likeos.path.join()which takes multiple strings and uses them in combination, you need to make sure that all the types are the same (either all bytes or all text). Mixing bytes and text ...
Output (Python 3.x):File "", line 3 except IndexError, ValueError: ^ SyntaxError: invalid syntax💡 ExplanationTo add multiple Exceptions to the except clause, you need to pass them as parenthesized tuple as the first argument. The second argument is an optional name, which when supplied ...
Note: Python avoids much of the tension of the "error codes vs exceptions" argument. Between the ability to return multiple values from a function and the ability to return values of different types (e.g.Noneor something similar in the error case) the argument is moot. But this is besides...