lists to save in a tuple | | |
Hello,
I have two lists and would save them in a tuple.
a = [1,2,3]
b = ['a','b','c']
with the next statement I can do that:
t = [(x,y), for x in a for y in b]
This gives the next list:
[(1,'a'),(1,'b'),(1,'c'), (2,'a'),(2,'b'),(2,'c'), (3,'a'),(3,'b'),
(3,'c')]
But I want the next list:
[(1,'a'),(2,'b'),(3,'c')]
Would somebody tell me how I can solve this problem?
Regards,
Nader
| | | | re: lists to save in a tuple
Nader wrote: Quote:
Hello,
>
I have two lists and would save them in a tuple.
>
a = [1,2,3]
b = ['a','b','c']
>
with the next statement I can do that:
>
t = [(x,y), for x in a for y in b]
>
This gives the next list:
>
[(1,'a'),(1,'b'),(1,'c'), (2,'a'),(2,'b'),(2,'c'), (3,'a'),(3,'b'),
(3,'c')]
>
But I want the next list:
>
[(1,'a'),(2,'b'),(3,'c')]
>
Would somebody tell me how I can solve this problem?
zip(a, b)
Diez | | | | re: lists to save in a tuple
Nader wrote: Quote:
Hello,
>
I have two lists and would save them in a tuple.
>
a = [1,2,3]
b = ['a','b','c']
>
with the next statement I can do that:
>
t = [(x,y), for x in a for y in b]
>
This gives the next list:
>
[(1,'a'),(1,'b'),(1,'c'), (2,'a'),(2,'b'),(2,'c'), (3,'a'),(3,'b'),
(3,'c')]
>
But I want the next list:
>
[(1,'a'),(2,'b'),(3,'c')]
>
Would somebody tell me how I can solve this problem?
Use the zip() builtin.
zip(a, b)
-- Gerhard | | | | re: lists to save in a tuple
ActivePython 2.5.1.1 (ActiveState Software Inc.) based on
Python 2.5.1 (r251:54863, May 1 2007, 17:40:00)
[GCC 4.0.1 (Apple Computer, Inc. build 5250)] on darwin
Type "help", "copyright", "credits" or "license" for more information. Quote: Quote: Quote:
>>a = [1,2,3]
>>b = ['a','b','c']
>>zip(a,b)
[(1, 'a'), (2, 'b'), (3, 'c')] Cheers
Tommy
On Jun 9, 2008, at 9:27 AM, Nader wrote: Quote:
Hello,
>
I have two lists and would save them in a tuple.
>
a = [1,2,3]
b = ['a','b','c']
>
with the next statement I can do that:
>
t = [(x,y), for x in a for y in b]
>
This gives the next list:
>
[(1,'a'),(1,'b'),(1,'c'), (2,'a'),(2,'b'),(2,'c'), (3,'a'),(3,'b'),
(3,'c')]
>
But I want the next list:
>
[(1,'a'),(2,'b'),(3,'c')]
>
Would somebody tell me how I can solve this problem?
>
Regards,
Nader
-- http://mail.python.org/mailman/listinfo/python-list | | | | re: lists to save in a tuple
On Jun 9, 3:34 pm, "Diez B. Roggisch" <de...@nospam.web.dewrote: Quote:
Nader wrote: > Quote:
I have two lists and would save them in a tuple.
> Quote:
a = [1,2,3]
b = ['a','b','c']
> Quote:
with the next statement I can do that:
> Quote:
t = [(x,y), for x in a for y in b]
> Quote:
This gives the next list:
> Quote:
[(1,'a'),(1,'b'),(1,'c'), (2,'a'),(2,'b'),(2,'c'), (3,'a'),(3,'b'),
(3,'c')]
> Quote:
But I want the next list:
> Quote:
[(1,'a'),(2,'b'),(3,'c')]
> Quote:
Would somebody tell me how I can solve this problem?
>
zip(a, b)
>
Diez
Thank you! |  |
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