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#include <stdio.h>
#include <ctype.h> /* For tolower() function */
void main()
{
char answer = 'N'; /* Records yes or no to continue the loop */
double total = 0.0;
double value = 10.0; /* Value entered */
int count = 0; /* Number of values entered */
printf("\nThis program calculates the average of"
" any number of values.");
/* Indefinite loop */
for( ;; ) {
total += value; /* Add value to total */
++count; /* Increment count of values */
/* check for more input */
printf("Do you want to enter another value? (Y or N): ");
scanf(" %c", &answer );
if( tolower(answer) == 'n' )
break; /* Exit from the loop */
}
/* output the average to 2 decimal places */
printf ("\nThe average is %.2lf\n", total/count );
}
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