old_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')
  
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')
      post = models.ForeignKey(Post, on_delete=models.CASCADE)
  
  class Post(models.Model):
      Post_ID = models.CharField(max_length=10)
      Post_Date_Time = models.DateTimeField('date post')
  
  class Products(models.Model):
      Product_ID = models.CharField(max_length=10)
      Prodcut_Name = models.CharField(max_length=200)
      Prodcut_Type = models.CharField(max_length=20)
      Price = models.DecimalField(max_digits=8, decimal_places=2)
  
  class Product_Type(models.Model):
      Product_Type_ID = models.CharField(max_length=10)
      Prodcut_Type_Name = models.CharField(max_length=200)
  
  class Tours(models.Model):
      Tour_ID = models.CharField(max_length=10)
      Tour_Date_Time = models.DateTimeField('date tour')
  
  class Student_Tour(models.Model):
      student = models.ForeignKey(Student, on_delete=models.CASCADE)
      tour = models.ForeignKey(Tours, on_delete=models.CASCADE)
  
  class Tour_Destinations(models.Model):
      tour = models.ForeignKey(Tours, on_delete=models.CASCADE)
      destination = models.ForeignKey(Destination, on_delete=models.CASCADE)
  
  
  class Saudi_Group_Admins(models.Model):
      Admin_ID = models.CharField(max_length=10)
      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 Destination(models.Model):
      Dest_ID = models.CharField(max_length=10)
      Destination_Name = models.CharField(max_length=200)
  
  class Arrival(models.Model):
      Arrival_ID = models.CharField(max_length=10)
      Arrival_Date_Time = models.DateTimeField('date arrival')
      Flight_Feedback = models.CharField(max_length=200)
  
  
  class Student_Arrival(models.Model):
      arrival = models.ForeignKey(Arrival, on_delete=models.CASCADE)
      student = models.ForeignKey(Student, on_delete=models.CASCADE)
  
  
subject: Change to Model