A certain CS professor gives 100-point exams that are graded on the scale 90-100:A, 80-89:B, 70-79:C, 60-69:D, <60:F. Write a program that ac-cepts an exam score as input and prints out the corresponding grade.
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A certain CS professor gives 100-point exams that are graded on the scale
90-100:A, 80-89:B, 70-79:C, 60-69:D, <60:F. Write a
cepts an exam score as input and prints out the corresponding grade.
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