/*switch(ch1) {

   case 'A': 
      printf("This A is part of outer switch" );
		
      switch(ch2) {
         case 'A':
            printf("This A is part of inner switch" );
            break;
         case 'B':  case code 
      }
	  
      break;
   case 'B':  case code 
}*/

#include <stdio.h>
 
int main () {

   /* local variable definition */
   int a = 100;
   int b = 200;
 
   switch(a) {
   
      case 100: 
         printf("This is part of outer switch
", a );
      
         switch(b) {
            case 200:
               printf("This is part of inner switch
", a );
         }
   }
   
   printf("Exact value of a is : %d
", a );
   printf("Exact value of b is : %d
", b );
 
   return 0;
}

/*This is part of outer switch
This is part of inner switch
Exact value of a is : 100
Exact value of b is : 200*/