Can anyone explain the overidding of save() of below code?

/* also explain super ().save() */

from django.db import models

class Blog(models.Model):
name = models.CharField(max_length=100)
tagline = models.TextField()

def save(self, *args, **kwargs):
do_something()
super(Blog, self).save(*args, **kwargs) # Call the "real" save() method.
do_something_else()

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