@classmethod
def prettify(cls, my_dict):
    """
        Removes the name mangling caused by private
        instance attributes by removing the class name
        and the 3 underscores
        """
    my_items = my_dict.copy()
    for key in my_items.keys():
        if '_{}__'.format(my_dict['__class__']) in key:
            mangled = len(my_dict['__class__']) + 3
            new_key = key[mangled:]
            my_dict[new_key] = my_items[key]
            del my_dict[key]
    return my_dict
