15/08/24 21:31:11.15 kccymPOD.net
>>856
任意の値を指定できる回答
>>> a = [(1, 3), (2, 4), (2, 1), (2, 3), (4, 4)]
>>> b = lambda x: a.index((2, x))
>>> b(4)
1
15/08/24 21:31:11.15 kccymPOD.net
>>856
任意の値を指定できる回答
>>> a = [(1, 3), (2, 4), (2, 1), (2, 3), (4, 4)]
>>> b = lambda x: a.index((2, x))
>>> b(4)
1