Including many-to-many from another model in field in django admin interface

Greetings, I'm sure there is a simple solution to what I'm trying to do but unfortunately I wasn't able to find it in the documentation.

I have the following model (simplified version shown):

models.py:

class Student(models.Model):
  student_id = models.IntegerField(primary_key=True, unique=True,
      db_index=True, max_length=9)
  first_name = models.CharField(max_length=50)
  last_name  = models.CharField(max_length=50)

  def __unicode__(self):
    return u"%s %s" % (self.first_name, self.last_name)

class Course(models.Model):
  course_id = models.AutoField(primary_key=True, unique=True,
                              db_index=True, max_length=4)
  title = models.CharField(max_length=50)
  dept = models.CharField(max_length=6)
  number = models.IntegerField(max_length=5)
  student_id = models.ManyToManyField(Student, blank=True)

  def __unicode__(self):
    return u"%s %s" % (self.dept, self.number)

What I wanted was to be able to add students to multiple classes in the admin interface similar to the way that I can add students in the cla开发者_如何转开发sses admin interface. If there is yet another way that seems more beneficial I would be interested in that as well.

Thanks in advance for any help!

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You can use the inlines in your related model, or this blog post might be of some help.