old_contents: from django.db import models
  
  # Create your models here.
  
new_contents: from django.db import models
  
  # Create your models here.
  class Restaurant(models.Model):
    id=models.IntegerField()
    name=models.CharField(max_length=40)
    address=models.CharField(max_length=50)
    city=models.CharField(max_length=50)
    state=models.CharField(max_length=50)
    postal_code=models.IntegerField()
    latitude=models.DecimalField()
    longitude=models.DecimalField()
    phone_no=models.IntegerField()
  
  class Score(models.Model):
    id=models.IntegerField()
    date=models.DateField()
    score=models.IntegerField()
    type=models.CharField(max_length=50)
  
  
  class Violation(models.Model)
     id=models.IntegerField()
     date=models.DateField()
     vi_type=models.CharField(max_length=20)
     vi_severe=models.CharField(max_length=20)
     vi_description=models.CharField(max_length=50)
  
  
  ~
  ~
  ~
  ~
  # Create your models here.
  
subject: add data type