old_contents: from __future__ import unicode_literals
  
  from django.db import models
  
  # Create your models here.
  
new_contents: from __future__ import unicode_literals
  
  from django.db import models
  
  class Student(models.Model):
      Frist_Name = models.CharField(max_length=200)
      Last_Name = models.CharField(max_length=200)
      Email = models.CharField(max_length=200)
      Phone_Number = models.CharField(max_length=200)
  
  class Responds(models.Model):
      student = models.ForeignKey(Student, on_delete=models.CASCADE)
      Response_Date_Time = models.DateTimeField('date responded')
  
subject: Change to model from class on 10/10/2016