Re: Enumerating ordered expat attributes with tuplets?

[MRAB]

On Sep 11, 4:48 pm, Manuel Ebert <maeb...@uos.de wrote:

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>
Ah, well. Don't know whether it meets your aesthetic standards, but:
 >>my_list = ['tree', 'hug', 'flower', 'hug', 'bear', 'run']
 >>my_list[0:len(a):2]
['tree', 'flower', 'bear']
 >>my_list[1:len(a):2]
['hug', 'hug', 'run']
>
and hence
>
 >>zip(my_list[0:len(a):2], my_list[1:len(a):2])
[('tree', 'hug'), ('flower', 'hug'), ('bear', 'run')]
>
and furthermore
>
 >>for a, b in zip(my_list[0:len(a):2], my_list[1:len(a):2]):
...     print a, b
...
tree hug
flower hug
bear run
>
or the slightly less obfuscated:
>
 >>for index in range(0, len(my_list), 2):
...     print my_list[index], my_list[index + 1]
...    
tree hug
flower hug
bear run
>

[snip]
I don't know what the "len(a)" is, but the end position defaults to
the end:

>>zip(my_list[0::2], my_list[1::2])

[('tree', 'hug'), ('flower', 'hug'), ('bear', 'run')]