[Tutor] Iterate Suggestion

Tom Tucker tktucker at gmail.com
Sat Apr 14 19:55:51 CEST 2012


All,
Thanks for the help.

On Sat, Apr 14, 2012 at 1:33 PM, Bod Soutar <bodsda at googlemail.com> wrote:

>
>
> On 14 April 2012 18:29, Bod Soutar <bodsda at googlemail.com> wrote:
>
>>
>>
>> On 14 April 2012 16:27, Tom Tucker <tktucker at gmail.com> wrote:
>>
>>>
>>> Hello all.  Any suggestions how I could easily iterate over a list and
>>> print the output 3 across (when possible)?  One method I was considering
>>> was removing the recently printed item from the list, checking list length,
>>> etc.  Based on the remaining length of the list I would then print X
>>> across. Yah? Is their and easier approach I might be overlooking?
>>>
>>>
>>> For example...
>>>
>>> mylist = ['serverA', 'serverB', 'serverC', 'serverD',' serverE',
>>> 'serverF', 'serverG']
>>>
>>>
>>> Desired Output
>>> ============
>>> serverA  serverB  serverC
>>> serverD  serverE  serverF
>>> serverG
>>>
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>>>
>> How about something like this
>>
>>
>> mylist =  ['serverA', 'serverB', 'serverC', 'serverD','serverE',
>> 'serverF', 'serverG']
>> tempstr = ""
>> count = 0
>>
>> for item in mylist:
>>     count += 1
>>     if count == 3:
>>         tempstr += (i + "\n")
>>         count = 0
>>     else:
>>         tempstr += (i + " ")
>>
>> print tempstr
>>
>>
>> The above code prepares an empty string variable, and a count variable.
>> On each iteration, it checks to see if the count is equal to 3. If it is,
>> then it appends the current list element to the string and also adds a
>> newline character("\n"), then the count is reset to 0. If the count isn't
>> 3, it simply appends the current list element along with a space.
>>
>> Hope this helps,
>> Bodsda
>>
>>
>> erm, I screwed up my variable names. where you see 'i', this should be
> item (or the other way around).
> My bad.
>
> -- Bodsda
>
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