[Python] Django shell: Can't find constructor of a model

I have a Django Modell Kunde

from django.db import models


class Kunde(models.Model):
Kundennummer = models.IntegerField(),
Vorname = models.CharField(max_length=200),
Nachname = models.CharField(max_length=200)


I open the Django shell with the command python manage.py shell

I do

from kundenliste.models import Kunde;


and then

Kunde.objects.all()


This gives me

<QuerySet []>


Now I would like to insert a new customer

But

k1 = Kunde(Kundennummer=1,Vorname="Florian",Nachname="Ingerl");


gives me the error

Traceback (most recent call last):
File "<console>", line 1, in <module>
File "C:\Users\imelf\Documents\NachhilfeInfoUni\MaxPython\env_site\Lib\site-packages\django\db\models\base.py", line 569, in __init__
raise TypeError(
TypeError: Kunde() got unexpected keyword arguments: 'Kundennummer', 'Vorname'


What do I do wrong?

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