Intermediate and advanced python object-oriented - exception handling

This article mainly introduces the advanced object-oriented exception handling in Python. It has a certain reference value. Now I share it with you. Friends in need can refer to it.

Exception handling: that is, the program is in the background Once you catch this error, you can display it how you want to define it. If you visit a different website, a 404 error will be reported instead of a lot of errors.

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