Get an object id from HTML in in request.POST - django

Question

I have an user with list of tasks that he can add. I want to give him ability to delete those tasks, or mark as done.
The problem is that my solution is working only when user has one task, because of non-unique id's problem
Is there any way to pass the id to html so that it will be easily accesible in views? Thank you!
This is my current code
{% for task in tasks %}
<form id='is_checked' method='POST' action="{% url 'mark_as_done'%}" enctype="multipart/form-data">
{% csrf_token %}
<div class="input-group-text">
<input type="hidden" id="id_checked" value="{{task.id}}" name = "id_checked">
</div>
</form>
<form class="input-group" action="{% url 'delete_task'%}" method='POST' enctype="multipart/form-data">
{% csrf_token %}
<div class="input-group-prepend">
<div class="input-group-text">
<input onChange="document.getElementById('is_checked').submit()" type="checkbox" {% if task.is_done %}checked{% endif %}>
</div>
</div>
<h7 type="text" class="form-control">{{task}}</h7>
<input type="hidden" id="id" value="{{task.id}}" name = "id">
<button type="submit" class="input-group-append btn btn-danger">Delete</button>
</form>
{% endfor %}
And in views:
def delete_task(request):
if request.method == 'POST':
task = Task.objects.get(pk=request.POST['id'])
task.delete()
return redirect('tasks')
#login_required()
def mark_as_done(request):
if request.method == 'POST':
task = Task.objects.get(pk=request.POST['id_checked'])
task.is_done = True
task.save()
return redirect('tasks')```