Дю Василий Андреевич КФ МГУ SubString 7300			Подлужный Олег 304 КФ SubString 6628
t	1	class SubString(str):	t	1	class SubString(str):
	2			2
	3	def __new__(cls, value=''):		3	def __new__(cls, value=''):
	4	return super().__new__(cls, str(value))		4	return super().__new__(cls, str(value))
	5			5
	6	def __sub__(self, other):		6	def __sub__(self, other):
	7	if not isinstance(other, str):		7	if not isinstance(other, str):
	8	return NotImplemented		8	return NotImplemented
	9	counts = {}		9	counts = {}
	10	for ch in other:		10	for ch in other:
	11	counts[ch] = counts.get(ch, 0) + 1		11	counts[ch] = counts.get(ch, 0) + 1
	12	res = []		12	res = []
	13	for ch in self:		13	for ch in self:
	14	if counts.get(ch, 0) > 0:		14	if counts.get(ch, 0) > 0:
	15	counts[ch] -= 1		15	counts[ch] -= 1
	16	else:		16	else:
	17	res.append(ch)		17	res.append(ch)
	18	return SubString(''.join(res))		18	return SubString(''.join(res))
	19			19
	20	def __rsub__(self, other):		20	def __rsub__(self, other):
	21	if not isinstance(other, str):		21	if not isinstance(other, str):
	22	return NotImplemented		22	return NotImplemented
	23	return SubString(other).__sub__(self)		23	return SubString(other).__sub__(self)
	24			24
	25	def __add__(self, other):		25	def __add__(self, other):
	26	if not isinstance(other, str):		26	if not isinstance(other, str):
	27	return NotImplemented		27	return NotImplemented
	28	return SubString(str.__add__(self, other))		28	return SubString(str.__add__(self, other))
	29			29
	30	def __radd__(self, other):		30	def __radd__(self, other):
	31	if not isinstance(other, str):		31	if not isinstance(other, str):
	32	return NotImplemented		32	return NotImplemented
	33	return SubString(str.__add__(other, self))		33	return SubString(str.__add__(other, self))
	34			34
	35	def __mul__(self, n):		35	def __mul__(self, n):
	36	return SubString(str.__mul__(self, n))		36	return SubString(str.__mul__(self, n))
	37			37
	38	def __rmul__(self, n):		38	def __rmul__(self, n):
	39	return SubString(str.__mul__(self, n))		39	return SubString(str.__mul__(self, n))
	40			40
	41	def __getitem__(self, key):		41	def __getitem__(self, key):
	42	res = str.__getitem__(self, key)		42	res = str.__getitem__(self, key)
	43	return SubString(res) if isinstance(res, str) else res		43	return SubString(res) if isinstance(res, str) else res
	44			44
	45	def __getattribute__(self, name):		45	def __getattribute__(self, name):
	46	attr = super().__getattribute__(name)		46	attr = super().__getattribute__(name)
	47	if callable(attr):		47	if callable(attr):
	48			48
	49	def wrapper(*args, **kwargs):		49	def wrapper(*args, **kwargs):
	50	res = attr(*args, **kwargs)		50	res = attr(*args, **kwargs)
	51	if isinstance(res, str):		51	if isinstance(res, str):
	52	return SubString(res)		52	return SubString(res)
	53	if isinstance(res, tuple):		53	if isinstance(res, tuple):
	54	return tuple((SubString(x) if isinstance(x, str) els		54	return tuple((SubString(x) if isinstance(x, str) els
	>	e x for x in res))		>	e x for x in res))
	55	return res		55	return res
	56	return wrapper		56	return wrapper
	57	return attr		57	return attr

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