how do i merge two sequence

[Peter Otten]

Python Email wrote:

> how do i merge two seqs alernative;
> 
> ("xyz", "7890")
> output: x7y8z90

>>> import itertools
>>> "".join(a+b for a, b in itertools.izip_longest("xyz", "7890", 
fillvalue=""))
'x7y8z90'