Example 1

from django.db import models

class Patient(models.Model):
    first_name = models.CharField(max_length=50)
    last_name = models.CharField(max_length=50)
    age = models.IntegerField()
    diagnosis = models.TextField()
    admitted_on = models.DateField(auto_now_add=True)

    def __str__(self):
        return f"{self.first_name} {self.last_name}"