How to read Objects from ManyToMany Relation class in django

I have made a class called friend where i want to connect users as followers. Here From this class i am unable to read the users those are following another user. For Eg if 'a' user fllows 'b' user. Then i want to get the names of user that followed b from the user id of b and display them as followers of a. This class is also not storing the userid of the following user and followed user. I am new to many to many relation field. Kindly help.

Code in Models.py

class Friend(models.Model):        users = models.ManyToManyField(User)        current_user = models.ForeignKey(User, related_name='follower', null=True,on_delete=models.CASCADE)        @classmethod        def make_friend(cls, current_user, new_friend):            friend, created = cls.objects.get_or_create(                current_user = current_user            )            friend.users.add(new_friend)  

Its function in views.py is

def change_friends(request, operation, pk):        friend = User.objects.get(pk=pk)        if operation == 'add':            Friend.make_friend(request.user, friend)        elif operation == 'remove':            Friend.lose_friend(request.user, friend)        return redirect('home')

Its url in urls.py is

path('connect/<operation>/<pk>)',views.change_friends, name='change_friends')

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