Answer No : 25 : 
<html ng-app="app">  
<head>  
    <title>Lionet</title>     
</head>  

<body>
<h1 ng-controller="HelloWorldCtrl">{{message}}</h1>

<script src="https://code.angularjs.org/1.6.9/angular.js"></script>

<script>  
    angular.module("app", []).controller("HelloWorldCtrl", function($scope) 
    {  
    $scope.message="Hello World" 
    } )
</script> 

</body>  
</html>
Output: