Write a C++ program by using Exception(throw, try, catch), validate a grade. ask the user to enter a grade and then if the grade is less than zero or more than 100 then throw an exception. you have to ask user to enter 3 grades. if all grades are valid you calculate the average and print it, if any of the 3 grades is invalid, throw an exception.

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Exception Handling Keywords

An exception is a situation or anomaly that occurs during the program execution which prevents the execution from continuing further. An exception is an unexpected behavior that can cause the program to stop abruptly.