can class in django model have limited number of fields code example

Example 1: create models in django

from django.db import models
# Create your models here.

class Contact(models.Model):
    name = models.CharField(max_length=50)
    email = models.CharField(max_length=50)
    contact = models.CharField(max_length=50)
    content = models.TextField()
    def __str__(self):
        return self.name + ' ' + self.email

Example 2: get data from model with field name in django

field_name = "is_staff"
user = User.objects.get(pk=0)
field_name_val = getattr(user, field_name)