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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _create_user( self, username, email, short_name, full_name, institute, password, is_admin, **extra_fields):
 """Creates a new active person. """


        # Create Person
        person = self.model(
            username=username, email=email,
            short_name=short_name, full_name=full_name,
            is_admin=is_admin,
            institute=institute,
            **extra_fields
        )
        person.set_password(password)
        person.save()
        return person