[Tutor] string indexing

hey guys, super noob here, i am trying to understand the following code from google tutorial which i failed to comprehend #code start # E. not_bad # Given a string, find the first appearance of the # substring 'not' and 'bad'. If the 'bad' follows # the 'not', replace the whole 'not'...'bad' subs

Re: [Tutor] string indexing

Spir and Peter, thanks for the specifics, super helpful. Alan, super thanks for the general advice, you guys are awesome!! On Mon, Jan 20, 2014 at 5:34 AM, wrote: > Send Tutor mailing list submissions to > tutor@python.org > > To subscribe or unsubscribe via the World Wide Web, visit

[Tutor] if >= 0

hey again guys, i am trying to understand these statements, if i do it like this, it will only print the 'print locus' part for element in in_file: if element.find('LOCUS'): locus += element elif element.find('ACCESSION'): accession += element elif element.find('ORGANISM'): orga

Re: [Tutor] if >= 0

Alan, roger that and thanks a bunch. now replying with reply all, i am a super noob and thanks for the kind adivce On Tue, Feb 11, 2014 at 10:31 AM, ALAN GAULD wrote: > CCing the list. Please use Reply All when responding. > > > thanks Alan, i understand now zero is False. > > That's right. but

[Tutor] next element in list

hey guys i have this file i wish to parse, the file looks something like bellow. there are only four entry here (AaaI, AacLI, AaeI, AagI). the complete file contains thousands of entries =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= REBASE, The Restriction Enzyme Dat

Re: [Tutor] next element in list

David, Peter roger that and thanks so much!! On Wed, Feb 26, 2014 at 1:29 PM, Peter Otten <__pete...@web.de> wrote: > rahmad akbar wrote: > > > hey guys > > > > i have this file i wish to parse, the file looks something like bellow. > > there are only four

[Tutor] trying to understand pattern matching code

hey guys, i am trying to understand this code pasted bellow, 1. what is line means? mask[c] |= bit 2. then the line bit *=2, this increment the bit to 2 for each character? 3. what is this line means? accept_state = bit //2 4. lastly, what is this scary line means? D = (( D << 1) + 1) & masks [ c d

Re: [Tutor] trying to understand pattern matching code

? i had no idea this was on html Am 25.04.2014 14:16 schrieb "Joel Goldstick" : > > On Apr 25, 2014 7:14 AM, "rahmad akbar" wrote: > > > > hey guys, > > i am trying to understand this code pasted bellow, > > 1. what is line means? mask[c] |= bit

Re: [Tutor] trying to understand pattern matching code

is? i now understand this bit. but i still couldnt get this line though D = (( D << 1) + 1) & masks [ c ] On Sat, Apr 26, 2014 at 12:37 AM, Dave Angel wrote: > rahmad akbar Wrote in message: >> >> > to Dave, >> i do i do the text mode? i had no idea thi

Re: [Tutor] trying to understand pattern matching code

hi Alan, your explanation clears most things, super thanks!! On Sat, Apr 26, 2014 at 10:58 AM, Alan Gauld wrote: > On 26/04/14 09:36, rahmad akbar wrote: > >> but i still couldnt get this line though >> >> D = (( D << 1) + 1) & masks [ c ] > > > Do

[Tutor] class to function

Hi guys i am trying to understand this code: http://nbviewer.ipython.org/gist/BenLangmead/6665861 i understand functions quite alright . but i have no idea about classes yet. the code is written using class and i could not make much sense out of it. all this init and self thingy drive me crazy. c

Re: [Tutor] Fwd: class to function

thanks guys for the replies, Danny, your explanation helped alot, i'll have a go on Alan Gaud's tutorial. super thanks On Mon, May 26, 2014 at 9:04 AM, Danny Yoo wrote: > > > -- Forwarded message -- > From: diliup gabadamudalige > Date: Sunday, May 25, 2014 > Subject: [Tutor] cl