On 11月30日, 上午2时48分, Vlastimil Brom <vlastimil.b...@gmail.com> wrote: > 2009/11/29 Francesco Pietra <francesco.pie...@accademialucchese.it>: > > > Hi: > > How to replace with blank the single-character in column 21 of a pdb > > file (in pdb numbering it is column 22). Attached is an incomplete > > exercise with slices. I am unable to get real plain text with gmail. > > > Thanks for help > > > francesco pietra > > > -- > >http://mail.python.org/mailman/listinfo/python-list > > Do you mean something like > > >>> line="abcdefghijklmnopqrstuvwxyz" > >>> line[:21]+line[22:] > > 'abcdefghijklmnopqrstuwxyz' > > ? > > vbr
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