<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark"> <a class="navbar-brand" href="/">F&S ENTERPRISE</a> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="navbarCollapse"> <ul class="navbar-nav mr-auto"> <li class="nav-item active"> <a class="nav-link" href="/">Home <span class="sr-only">(current)</span></a> </li> {% if request.user.is_authenticated %} <li class="nav-item"> <a class="nav-link" href="/list_items">List Items</a> </li> <li class="nav-item"> <a class="nav-link" href="/add_items">Add Items</a> </li> {% endif %} </ul> <ul class="navbar-nav"> {% if request.user.is_authenticated %} <li><a href="/accounts/logout"><button class="btn btn-danger">{{ user }} | Logout</button></a></li> {% else %} <li><a href="/accounts/login">Login</a></li> {% endif %} </ul> </div> </nav>

def add(a, b):
    return a + b

add(1, 2)

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