List comprehension

[Joaquin Alzola]

>Now, this puzzles me:

>>>> [x,y for a in data]
>  File "<stdin>", line 1
>    [x,y for a in data]
 >          ^
>SyntaxError: invalid syntax

>I expected:
>[(1, 2), (3, 4)]

You can try [(x,z) for x,z in data].
In your situation a takes the values (1,2) or (3,4) in the one that I put x and z take the tupple values (x first one z second one).

>>> [(x,z) for x,z in data]
[(1, 2), (3, 4)]
This email is confidential and may be subject to privilege. If you are not the intended recipient, please do not copy or disclose its content but contact the sender immediately upon receipt.