[Python] Iterare una sequenza

[Giuseppe Costanzi]

ciao carlo,

si, interessante ma vorrei iterare la sequenza mano a mano,

stavo pensando a qualcosa tipo

next(iterator, default)

grazie comunque



On Sun, Nov 26, 2017 at 10:30 AM, Carlo Miron <miron a python.it> wrote:
> On Sun, Nov 26, 2017 at 10:20 AM, Giuseppe Costanzi
> <giuseppecostanzi a gmail.com> wrote:
>
>> ho una sequenza del tipo
>> ACTGATCGATTACGTATAGTAGAATTCTATCATACATATATATCGATGCGTTCAT
>> scorrendola devo trovare una sequenza target GAATTC
>> ACTGATCGATTACGTATAGTA  "GAATTC"  TATCATACATATATATCGATGCGTTCAT
>> quindi dividere la sequenza da G, la prima lettera della sequenza target,
>> e calcolarmi la lunghezza dei due frammenti risultanti
>> ACTGATCGATTACGTATAGTAG
>> e di questa
>> GAATTCTATCATACATATATATCGATGCGTTCAT
>
> qualcosa tipo
>
>>>> seq = "ACTGATCGATTACGTATAGTAGAATTCTATCATACATATATATCGATGCGTTCAT"
>>>> target = "GAATTCT"
>>>> first, second = seq.split(target, 1)
>>>> first += target[1]
>>>> second = target[1:] + second
>>>> len(first), len(second)
> (22, 33)
>
> ?
> ㎝
>
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