Скачать или смотреть nested exception handling in python

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nested exception handling in python involves handling multiple levels of exceptions within a program. this allows you to gracefully manage errors that may occur in different parts of your code. in python, you can use nested try-except blocks to achieve this. below is a tutorial with code examples to illustrate the concept.
let's start with a simple example of exception handling in python:
in this example, if a zerodivisionerror occurs (division by zero), the exception is caught, and the error message is printed. now, let's extend this to nested exception handling.
in this example, we have a function complex_operation that performs a complex calculation. if a zerodivisionerror occurs, it is caught and handled within the function. however, we also raise a new valueerror with a custom message and associate the original exception (from e). in the outer try-except block, we catch both specific exceptions (valueerror) and a generic exception.
in this example, the file_operations function attempts to read content from a file. if the file is not found, a filenotfounderror is caught. if any other i/o error occurs, an ioerror is caught. finally, a generic exception block handles any unanticipated errors.

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