how send a post request in a select tag in html, how should i provide name="" and value="" in this tag like in <input>, also how to change date format

Question

I have two problems right now, one is getting a [post request with teh value of selec tag and also how to change teh date format in django in DD/MM/YYYY format with same

html file

<div class="form-group">
     <label class="my-1 mr-2" for="inlineFormCustomSelectPref">Author</label>
     <select class="custom-select my-1 mr-sm-2" id="inlineFormCustomSelectPref">
         <option selected>Choose...</option>
         {% for bks in book %}
         <option value="$">{{bks.Author}}</option>
         {% endfor %}
      </select>
</div>

models.py

class Books(models.Model):
    Name = models.CharField(max_length=250)
    Author = models.ForeignKey('Authors', on_delete=models.CASCADE, default=None)
    Published_Date = models.DateField(blank=False)
    Pages = models.IntegerField()
    critics = models.IntegerField(default=0)

    def __str__(self) -> str:
        return self.Name

views.py

@api_view(['GET','POST'])
def Book_list(request):
    """
    List all code snippets, or create a new snippet.
    """
    if request.method == 'GET':
        authors = Books.objects.all()
        serializer = BookSerializer(authors, many=True)
        context = {
            'book':authors
        }
        print(context)
        return render(request, 'book.html', context)

    elif request.method == 'POST':
        serializer = BookSerializer(data=request.data)
        # checking if serializer is valid
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

serializer.py

class BookSerializer(serializers.ModelSerializer):
    class Meta:
        model = Books
        fields = ['Name', 'Author', 'Published_Date', 'Pages', 'critics']

any help will be appreciated