switch case example in C

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#include<stdio.h> //header file main() //main function { char gradeName; //variable declaration printf("Enter your Grade:"); scanf("%c",&gradeName); //taking input from user switch(gradeName){ //start point of switch case case 'A': case 'a': printf("Excellent\n"); break; case 'b': case 'B': printf("Good\n"); break; case 'c': case 'C': printf("Less good\n"); break; case 'd': case 'D': printf("Partially good\n"); break; case 'f': case 'F': printf("Very bad\n"); default: printf("Keyword not found\n"); break; } //end of switch case } //end of program