extracting tuples from a list

[Aahz Maruch]

In article <3960A07F.7240F23B at teleatlas.com>,
Michael Husmann  <michael.husmann at teleatlas.com> wrote:
>
>Is there a simple way to extract two elements from a list
>that has a size of 2n? I going this way:
>
>while list:
>	i, k = list.pop(0), list.pop(0)
>
>Is there a better solution?

How was the list created?  Can you create it in such a way that each
element is a tuple?  Example:

list = []
for line in file.readlines()
  list.append(FunctionThatReturnsATuple(line))
for item in list:
  (i,k) = item
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