Write A C Program Using Switch Statement

Update: The error that I am getting is that whenever I enter a grade, the program executes both the statement for that particular case AND the default statement and when I enter a wrong grade, the program executes the default statement twice. Another problem that I am having is that I dont know hot to end the loop when EOF. The error that I am getting is that whenever I enter a grade, the program executes both the statement for that particular case AND the default statement and when I enter a wrong grade, the program executes the default statement twice. Another problem that I am having is that I dont know hot to end the loop when EOF is typed in and I dont understand why in the sample screen typing ^z has ended the loop. Tell us some more. Upload in Progress. Upload failed.

The basic format for using switch case is outlined below. The condition of a switch statement is a value. But which shows how one would use switch in a program.
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Write A C Program Loop Of I Love You
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