[Django] Get max number from a column

from django.shortcuts import render
from main.models import Person
from django.db.models import Max

# Create your views here.
def home(request):
    p = Person(name="Fred Flintstone", number="1")
    p.save()
    p = Person(name="Gato Felix", number="2")
    p.save()
    last_person = Person.objects.order_by('-number').values('number')[:1]
    last_person2 = Person.objects.aggregate(Max('number'))
    print("="*20)
    print("ULTIMO")
    print(last_person[0]['number'])
    print(last_person2['number__max'])
    print("="*20)
    return render(request, 'main/index.html')