Tim Chase wrote:
>> i have a file :
>> file 1:
>> 1
>> 2
>> 3
>> 4
>> 5
>> 6
>>
>> file2:
>> a
>> b
>> c
>> d
>> e
>> f
>> how do i make the two files into list like this =
>> [1,a,2,b,3,c,4,d,5,e,6,f]
>
> from itertools import cycle
> def serialize(*sources):
> while True:
> for source in sources:
> yield source.next()
> def stripper(iterator):
> for thing in iterator:
> yield thing.strip()
> for thing in serialize(
> stripper(file('file1.txt')),
> stripper(file('file2.txt'))
> ):
> print thing
>
> As a previous responder noted, there are a number of ways to
> treat the edge cases when the lengths of the files don't match.
> Since you left the condition underqualified, I chose to let it
> expire when the first one gave out rather than try and deal with
> the complications of such ambiguity.
>
> -tkc
>
Or maybe just :
>>> r = []
>>> for a, b in map(None
, (int(i.strip('\n')) for i in open('file1.txt'))
, (i.strip('\n') for i in open('file2.txt'))) :
r.append(a)
r.append(b)
>>> r
[1, 'a', 2, 'b', 3, 'c', 4, 'd', 5, 'e', None, 'f']
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