>> Hello again python tutor list.
>> I have what I see as a somewhat complicated problem which I have no idea
>> where to begin. I'm hoping you fine folks can help me.
>>
>> I'm trying to generate a list of every possible 16 character string
>> containing only 2-7 and a-z lowercase. I've seen some examples using
>> regex
>> to define which characters I want to use but not a way to generate the
>> complete list of all possibilities. I'm not looking for a handout- just
>> a
>> point in the right direction.
>>
>> Any information would be awesome, thanks.
>>
>> Right now I've got something like:
>>
>> import random
>>>>> ''.join(random.choice('234567abcdefghijklmnopqrstuvwxyz') for i in
>>>>> range(16))
>>
>> Which only prints 1 number, obviously.
>>
>> or possibly something like this:
>>
>>
>> def genKey():
>> hash = hashlib.md5(RANDOM_NUMBER).digest().encode("base32")
>> alnum_hash = re.sub(r'[^a-z2-7]', "", hash)
>> return alnum_hash[:16]
>>
>>
>> Keeping in mind that although I understand this code, I did not write
>> it,
>> I
>> got it from stackoverflow.
>>
>> Again any help would be great. Feel free to ask if you must know exactly
>> what I'm trying to do.
>>
>> I'm running Ubuntu 12.04 and python 2.7
>>
>> Scott
>
> This seems to work:
> #!/usr/bin/env python
>
> # file : every.py
> print 'Running "every.py"'
>
> possible = "234567abcdefghijklmnopqrstuvwxyz"
> word_length = 16
>
> word_list = []
> def add_word(word):
> if len(word)==word_length:
> word_list.append(word)
> print word # There may come a time you won't want this line.
> else:
> for c in possible:
> new_word = word + c
> add_word(new_word)
>
> add_word("")
>
> # print word_list
>
Addendum:
As others have pointed out, you might run out of patience, time, memory,
or what ever ...long before completion.
one solution would be to make "word_length" &/or "possible" shorter.
It was fun trying to knock this one out.
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