ciao Christian, che dire... spettacolare!!!!; On Sun, Nov 26, 2017 at 11:25 AM, Christian Barra <barrac...@gmail.com> wrote:
> In pseudo code > > seq = "ACTGATCGATTACGTATAGTAGAATTCTATCATACATATATATCGATGCGTTCAT" > ...: > ...: def finder(seq, target): > ...: len_target = len(target) > ...: i = 0 > ...: while i+len_target < len(seq): > ...: yield seq[i:i+len_target], i > ...: i += 1 > Il check per == lo puoi inserire all’interno del finder o fuori. > > —— > Christian Barra > Python Freelancer // Consultant // Trainer > Board member of the EuroPython Society > www.chrisbarra.xyz > > On 26 Nov 2017, at 10:42, Giuseppe Costanzi <giuseppecosta...@gmail.com> > wrote: > > 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 <mi...@python.it> wrote: > > On Sun, Nov 26, 2017 at 10:20 AM, Giuseppe Costanzi > <giuseppecosta...@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) > > ? > ㎝ > > -- > |:**THE 🍺-WARE LICENSE** *(Revision ㊷)*: > | <miron@🐍.it <mi...@xn--4n8h.it>> wrote this mail. As long as you > retain this > | notice you can do whatever you want with this stuff. > | If we meet some day, and you think this stuff is worth it, > | you can buy me a 🍺 in return. —㎝ > _______________________________________________ > Python mailing list > Python@lists.python.it > https://lists.python.it/mailman/listinfo/python > > _______________________________________________ > Python mailing list > Python@lists.python.it > https://lists.python.it/mailman/listinfo/python > > > > _______________________________________________ > Python mailing list > Python@lists.python.it > https://lists.python.it/mailman/listinfo/python > >
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