Converting a flat list to a list of tuples

[Duncan Booth]

metiu uitem wrote:

> Say you have a flat list:
> ['a', 1, 'b', 2, 'c', 3]
> 
> How do you efficiently get
> [['a', 1], ['b', 2], ['c', 3]]

That's funny, I thought your subject line said 'list of tuples'. I'll 
answer the question in the subject rather than the question in the body:

>>> aList = ['a', 1, 'b', 2, 'c', 3]
>>> it = iter(aList)
>>> zip(it, it)
[('a', 1), ('b', 2), ('c', 3)]