Question: Write a program that keeps a map in which both keys and values are stringsthe names of students and their course grades. Prompt the user

Write a program that keeps a map in which both keys and values are strings—the names of students and their course grades. Prompt the user of the program to add or remove students, to modify grades, or to print all grades. The printout should be sorted by name and formatted like this:

Carl: B+
Joe: C
Sarah: A

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