Print_codes function
/* This function prints a menu of color codes to guide the user in entering input. */
printf("\n\n\tThe colored bands"
" are coded as follows:\n\n\t");
printf("COLOR\t\t\tCODE\n\t");
printf("-----\t\t\t----\n\n");
printf("\tBlack--------> B\n");
printf("\tBrown--------> N\n");
printf("\tRed----------> R\n");
printf("\tOrange-------> O\n");
printf("\tYellow-------> Y\n");
printf("\tGreen--------> G\n");
printf("\tBlue---------> E\n");
printf("\tViolet-------> V\n");
printf("\tGray---------> A\n");
printf("\tWhite--------> W\n");