B. Write a program that prompts for students' final grades in a given class (the grades are integer values in the range 1-9). The program then displays the class grade average, the highest grade, and how many students in the class failed the course (a grade less than 4 is a failing grade). If more than 10 students failed the course a message “The teacher sucks!" is displayed at the very end. An illegitimate input value for grade is used to indicate that there are no more students' grades to be entered. An example running session looks as follow:

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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.