text: from django.db import models
  from django.contrib.auth.models import User
  
  
  class Collection(models.Model):
  	title = models.CharField(max_length=255)
  	user = models.ForeignKey(User, on_delete=models.CASCADE)
  
  class Video(models.Model):
  	title = models.CharField(max_length=255)
  	url = models.URLField()
  	youtube_id = models.CharField(max_length=255)
  	collection = models.ForeignKey(Collection, on_delete=models.CASCADE)
  