Толстобров Илья Андреевич 514 ClassCounter 9461			Антипова Алёна 425 гр. ClassCounter 10225
f	1	class Generative(type):	f	1	class Generative(type):
	2	_count = 0		2	_count = 0
	3			3
n	4	class GenDesc:	n	4	class _GenerationProperty:
	5			5
n	6	def __get__(self, instance, owner):	n	6	def __get__(self, obj, cls):
	7	return Generative._count		7	return Generative._count
	8			8
n	9	def __set__(self, instance, value):	n	9	def __set__(self, obj, value):
	10	raise AttributeError('generation is read-only')		10	raise AttributeError('Cannot set generation')
	11			11
n	12	def __delete__(self, instance):	n	12	def __delete__(self, obj):
	13	raise AttributeError('generation cannot be deleted')		13	raise AttributeError('Cannot delete generation')
	14			14
n	15	def __new__(mcls, name, bases, ns):	n	15	def __new__(mcls, name, bases, namespace):
	16	mcls._count += 1		16	Generative._count += 1
	17	ns['generation'] = mcls.GenDesc()		17	namespace['generation'] = Generative._GenerationProperty()
	18	return super().__new__(mcls, name, bases, ns)		18	return super().__new__(mcls, name, bases, namespace)
	19			19
	20	def __setattr__(cls, key, value):		20	def __setattr__(cls, key, value):
	21	if key == 'generation':		21	if key == 'generation':
n	22	raise AttributeError('generation is read-only')	n	22	raise AttributeError('Cannot set generation')
	23	super().__setattr__(key, value)		23	super().__setattr__(key, value)
	24			24
	25	def __delattr__(cls, key):		25	def __delattr__(cls, key):
	26	if key == 'generation':		26	if key == 'generation':
t	27	raise AttributeError('generation cannot be deleted')	t	27	raise AttributeError('Cannot delete generation')
	28	super().__delattr__(key)		28	super().__delattr__(key)

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