s02220725 SubString 6349			Тулинова Олеся Вадимовна, 442 группа SubString 6741
t	1	class SubString(__import__('collections').UserString):	t	1	class SubString(__import__('collections').UserString):
	2			2
	3	def __sub__(self, other):		3	def __sub__(self, other):
	4	if not isinstance(other, (str, SubString)):		4	if not isinstance(other, (str, SubString)):
	5	return NotImplemented		5	return NotImplemented
	6	Counter = __import__('collections').Counter		6	Counter = __import__('collections').Counter
	7	counter = Counter(other)		7	counter = Counter(other)
	8	result_chars = []		8	result_chars = []
	9	for ch in self.data:		9	for ch in self.data:
	10	if counter[ch] > 0:		10	if counter[ch] > 0:
	11	counter[ch] -= 1		11	counter[ch] -= 1
	12	else:		12	else:
	13	result_chars.append(ch)		13	result_chars.append(ch)
	14	return SubString(''.join(result_chars))		14	return SubString(''.join(result_chars))

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