Зыков Валерий Павлович, 517 DefCounter 6531			Стасев Станислав 511, ВМК DefCounter 7070
f	1	from collections import Counter	f	1	from collections import Counter
	2			2
	3	class DefCounter(Counter):		3	class DefCounter(Counter):
	4			4
n	5	def __init__(self, *args, missing=-1, **kwargs):	n	5	def __init__(self, *args, missing=-1, **kwds):
	6	self._missing = missing		6	self._missing_value = missing
	7	super().__init__(*args, **kwargs)		7	super().__init__(*args, **kwds)
	8			8
	9	def __missing__(self, key):		9	def __missing__(self, key):
t	10	return self._missing	t	10	return self._missing_value
	11			11
	12	def __abs__(self):		12	def __abs__(self):
	13	return sum((v for v in self.values() if v > 0))		13	return sum((v for v in self.values() if v > 0))
	14			14
	15	def total(self):		15	def total(self):
	16	return sum(self.values())		16	return sum(self.values())

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