[Tutor] Need help combining elements of a list of lists

[Jim]

On 07/10/2018 10:09 PM, David Rock wrote:
> 
>> On Jul 10, 2018, at 22:04, David Rock <david at graniteweb.com> wrote:
>>
>>> On Jul 10, 2018, at 21:46, Jim <jf_byrnes at comcast.net> wrote:
>>>
>>> ltrs = [['A', 'B'], ['C', 'D', 'E'], ['F', 'G', 'H', 'I']]
>>
>> A fairly straightforward way is to use nested loops:
>>
>>>>> for l in ltrs[0]:
>> ...   for j in ltrs[1]:
>> ...     for k in ltrs[2]:
>> ...       print l,j,k
>>
> 
> Sorry, let’s try to make that a little cleaner-looking
> 
> for x in ltrs[0]:
>    for y in ltrs[1]:
>      for z in ltrs[2]:
>        print x,y,z
> 

Seeing it in front of me it does look straight forward, I was having 
difficulty visualizing how to solve it.

thanks, Jim