#include <avr/io.h>

int main(void) {


DDRB |= (1<<PB2);  //SET OUTPUT LED
DDRA &= ~(1<<PA7); // SET INPUT BOTTON
PORTA |= (1<<PA7);



while(1)

      {
if(PINA &(1<<PA7))
{
PORTB &=~ (1<<PB2); 
}
else
{
PORTB |= (1<<PB2); 
        
      }
      }
}