Write a program that will process an arbitrary number of grades each time the program is run. (Hints: sentinel-controlled iteration.)

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Write a program that will process an arbitrary number of grades each time the program is run. (Hints: sentinel-controlled iteration.) 

 

If grade >= 90, its corresponding letter grade is A. If 80 <= grade < 90, its corresponding
= grade < 80, its corresponding letter grade is C. If 60 <=
70, its corresponding letter grade is D. If grade < 60, its corresponding letter grade is F.
letter grade is B. If 70 <=
grade <
(a) After get all grades, calculate average.
(b) Count the numbers of all letter grades.
(c) Display a summary of the grade results indicating the number of each letter grade and
the class average.
Using the following input sequence for checking: 78 68 34 85 89 96 86 91 68 81 54
Transcribed Image Text:If grade >= 90, its corresponding letter grade is A. If 80 <= grade < 90, its corresponding = grade < 80, its corresponding letter grade is C. If 60 <= 70, its corresponding letter grade is D. If grade < 60, its corresponding letter grade is F. letter grade is B. If 70 <= grade < (a) After get all grades, calculate average. (b) Count the numbers of all letter grades. (c) Display a summary of the grade results indicating the number of each letter grade and the class average. Using the following input sequence for checking: 78 68 34 85 89 96 86 91 68 81 54
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