[Python] Iterare una sequenza

[Carlo Miron]

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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