Михаил Успенский 616 ВМК МГУ DefCounter 12635			Каретин Николай Ильич, 522 DefCounter 13014
f	1	from collections import Counter	f	1	from collections import Counter
	2			2
	3	class DefCounter(Counter):		3	class DefCounter(Counter):
	4			4
	5	def __init__(self, iterable=None, **kwargs):		5	def __init__(self, iterable=None, **kwargs):
n	6	self.missing = kwargs.pop('missing', -1)	n	6	self.missing_value = kwargs.pop('missing', -1)
	7	super().__init__(iterable, **kwargs)		7	super().__init__(iterable, **kwargs)
	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((value for value in self.values() if value > 0))		13	return sum((value for value in self.values() if value > 0))

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