django logout

from django.contrib.auth import logout

def logout_view(request):
    logout(request)
    # Redirect to a success page.

from django.contrib.auth import authenticate, login

def my_view(request):
    username = request.POST['username']
    password = request.POST['password']
    user = authenticate(request, username=username, password=password)
    if user is not None:
        login(request, user)
        # Redirect to a success page.
        ...
    else:
        # Return an 'invalid login' error message.
        ...

 def logout_request(request):
      logout(request)
      return redirect("")

{% extends 'main/header.html' %}

{% block content %}

    <div class="container">
        <form method="POST">
        {% csrf_token %}
        {{form.as_p}}
            <button style="background-color:#F4EB16; color:blue" class="btn btn-outline-info" type="submit">Login</button>
        </form>
        Don't have an account? <a href="/register" target="blank"><strong>register here</strong></a>!
    </div>
{% endblock %}

from django.contrib.auth.decorators import login_required

LOGOUT_REDIRECT_URL = 'your_url'

from django.contrib.auth.mixins import LoginRequiredMixin

class MyView(LoginRequiredMixin, View):
    login_url = '/login/'
    redirect_field_name = 'redirect_to'