from django.db import models class Employee(models.Model): name = models.CharField(max_length=40, blank=False, null=False) salary = models.PositiveIntegerField() department = models.CharField(max_length=40, blank=False, null=False) hire_date = models.DateField(blank=False, null=False) age = models.IntegerField(blank=False, null=False) def __str__(self): return '{}, {}, {}, {}'.format(self.name, self.department, self.salary, self.hire_date)