how to have sample data model in djagno 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: from django.db import models

from django.db import models

class Person(models.Model):
  	"""
    	This class creates a new table with 
        the name of your application and that class name. 
        The fully qualified name of the table 
        will be "appName_className". 
        Also, two fields with data type char will be 
        created: first_name and last_name.
    """
    first_name = models.CharField(max_length=30)
    last_name = models.CharField(max_length=30)