Question

I am using Django to create a user and an object when the user is created. 

But there is an error

Logs

Models.py

class doct(models.Model):

    username = models.CharField(max_length=30)
    pin = models.CharField(max_length=30)
    mobile = models.CharField(max_length=30)

HTML.logs

<form action="update_data" method="POST">
    {% csrf_token %}
    <input type="text" name="username" placeholder="username"><br><br>
    <input type="text" name="pin" placeholder="Password"><br><br>
    <input type="text" name="mobile" placeholder="Mobile no"><br><br>

    <button type="submit">submit</button>

</form>

Views.py

=========

def update_data(request):

    if request.method=="POST":

        username=request.POST["username"]
        pin=request.POST["pin"]
        mobile=request.POST["mobile"]
        apppp =doct(username=username,pin=pin,mobile=mobile)
        apppp.save()

error:

apppp =doct(username=username,pin=pin,mobile=mobile)
TypeError: doct() got an unexpected keyword argument 'username'
[30/Jun/2021 12:56:34] "POST /update_data HTTP/1.1" 500 65059