#include  <avr/io.h>
#include  <util/delay.h>

#define F_CPU20000UL
#define LED_PORT PORTA
#define Button PA0

int main (void){
  
  DDRA = 0b10000000;//t Pin PA0 of PORT A as input (button) and set pin 1 of PORT A as output (LED)

 

  while (1){
   if(Button==1){
   
       LED_PORT = 0b01000000;  //set PA1 high
   
   
     
 }
 else{
 
       LED_PORT = 0b00000000;  //set PA1 low
   
 
 }
 }
 }