If I find my self write a[0] a[1] a[2] in more than one place, I would upgrade it to a namedtuple. Much better readability, can be defined inline like `MyTuple

If I find my self write a[0] a[1] a[2] in more than one place, I would upgrade it to a namedtuple. Much better readability, can be defined inline like `MyTuple = namedtuple('MyTuple', 'k1 k2 k3')`