异常处理是Python的强大功能之一，切记不可滥用。 4、 未定义的名称：hello，值异常，请检查变量是否已正确定义。 8、 只有当 except 后的异常类型与代码抛出的异常匹配时，才会执行对应的处理语句。 9、 除特殊异常外，其他所有异常类型均会被 Exception 捕获并 ...

One of the features that makes Python a great programming language is exceptions for error handling. Exceptions are convenient in many ways for handling errors and ...

A faster interpreter, more intelligible errors, more powerful type hints, and a slew of other speedups and tweaks are now ready to try out. The Python programming language releases new versions yearly ...