Chapter 13 - Files and Exception Handling - Section 13.9 - Defining Custom Exception Classes - Check Point - MyProgrammingLab - Page 465: 13.27

In the given code there is an except block for both ArithmeticError and ZeroDivisionError but ZeroDivisionError is already covered in ArithmeticError and the except block of ZeroDivisionError will never be executed.

Same as above.