delay(500);

myservo.write(90);

delay(1000);

myservo.write(180);

delay(1000);

leftDistance = Distance_test();



delay(500);

myservo.write(90);

delay(1000);


if(rightDistance>leftDistance){

left();

delay(360);

}

else if((rightDistance <= 20)|| (leftDistance <= 20)) {

back();

delay(180);

}

else{

forward();

}

}

else{

}

}