// You can put one if-statement within another if-statement.
// Be careful how the if statements interact with each other.
// It's helpful to start with one outer if/else,
// using comments as placeholders for the inner if/else:

while(true) {
    var enemy = hero.findNearestEnemy();
    // If there is an enemy, then...
    if(enemy) {
        // Create a distance variable with distanceTo.
        var distance = this.distanceTo(enemy);
        // If the distance is less than 5 meters, then attack.
        if(distance < 5){
                  this.attack(enemy);
        }

        // Else (the enemy is far away), then shield.
        else{
                    this.shield();
                 }
    // Else (there is no enemy)...
    } else {
        // ... then move back to the X.
        hero.moveXY(40, 34);
    }
}

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