Re: Nested List question

Park Avenue None -Original Message- From: Erik Sent: Wednesday, February 24, 2016 4:28 PM To: grsm...@atlanticbb.net ; python-list Subject: Re: Nested List question On 24/02/16 20:59, grsm...@atlanticbb.net wrote: Can you have a phython list like: ['George', 'Soros'

Re: Nested List question

On 24/02/2016 20:59, grsm...@atlanticbb.net wrote: All, Can you have a phython list like: ['George', 'Soros', ['99 First Street', '33 Broadway Avenue', ['Apt 303'], '1 Park Avenue'], 'New York', 'NY'] In other words how do you correctly nest the ['Apt 303'] so it goes with 33 Broadway

Re: Nested List question

On 24/02/16 20:59, grsm...@atlanticbb.net wrote: Can you have a phython list like: ['George', 'Soros', ['99 First Street', '33 Broadway Avenue', ['Apt 303'], '1 Park Avenue'], 'New York', 'NY'] In other words how do you correctly nest the ['Apt 303'] so it goes with 33 Broadway Avenue.

Re: Nested List question

you can indeed have a nested list. One way you could do that looks like donor = [ 'George', 'Soros', [ #<- 2nd element of outermost list '99 First Street', [ #<- 1st element of middling list '33 Broadway Av

Re: Nested List question

On 2016-02-24, wrote: > All, > > Can you have a phython list like: > ['George', > 'Soros', > ['99 First Street', > '33 Broadway Avenue', ['Apt 303'], > '1 Park Avenue'], > 'New York', 'NY'] Sure: $ python3 Python 3.4.3 (default, Feb 12 2016, 15:58:12) [GCC 4.9.3] on linux Type "help", "c

Nested List question

All, Can you have a phython list like: ['George', 'Soros', ['99 First Street', '33 Broadway Avenue', ['Apt 303'], '1 Park Avenue'], 'New York', 'NY'] In other words how do you correctly nest the ['Apt 303'] so it goes with 33 Broadway Avenue. Also, I tried several ways and could not figure

RE: Ordered list question

>> Can you share a website that goes into more detail on this good variable >> naming? > I'd Google that one. You'll find more articles than you can read in a > lifetime... Very true! :-) -- http://mail.python.org/mailman/listinfo/python-list

Re: Ordered list question

On Mon, Jul 18, 2011 at 2:12 PM, wrote: > Can you share a website that goes into more detail on this good variable > naming? I'd Google that one. You'll find more articles than you can read in a lifetime... ChrisA -- http://mail.python.org/mailman/listinfo/python-list

Re: Ordered list question

Thank you Chris, Dan and Thomas for your replies. I really appreciate your insight, and I will look into the information you have given me. Dan, I've never heard of a "treap" or "red-black tree", so I'll be interested to research these. Thomas, Thanks very much for giving me further knowledg

Re: Ordered list question

If you need "read everything, then sort once", then a dictionary (or collections.defaultdict if you require undefined's) and a single sort at the end is probably the way to go. If you truly need an ordered datastructure (because you're reading one element, using things sorted, reading another elem

Re: Ordered list question

jyoun...@kc.rr.com wrote: ^^ Something is missing there. > I'm currently working on a project where I'm looping through xml elements, > pulling the 'id' attribute (which will be coerced to a number) No, usually it won't. > as well as the element tag. That's element _type name_.

Re: Ordered list question

On Mon, Jul 18, 2011 at 2:28 AM, wrote: > My question is, does python have a similar way to do something like this? > I'm assuming the best way is to create a dictionary and then sort it by > the keys? > That would be one way to do it. If you know beforehand what the highest ID is, you could cre

Ordered list question

I'm currently working on a project where I'm looping through xml elements, pulling the 'id' attribute (which will be coerced to a number) as well as the element tag. I'm needing these elements in numerical order (from the id). Example xml might look like: There will be cases where element

Re: String to List Question

On Thu, 02 Jul 2009 23:05:46 +0100, Hanna Michelsen wrote: Hi, I am brand new to python and I love it, but I've been having some trouble with a file parser that I've been working on. It contains lines that start with a name and then continue with names, nicknames and phone numbers of peop

Re: String to List Question

On Jul 2, 2009, at 6:05 PM, Hanna Michelsen wrote: Hi, I am brand new to python and I love it, but I've been having some trouble with a file parser that I've been working on. It contains lines that start with a name and then continue with names, nicknames and phone numbers of people asso

String to List Question

Hi, I am brand new to python and I love it, but I've been having some trouble with a file parser that I've been working on. It contains lines that start with a name and then continue with names, nicknames and phone numbers of people associated with that name. I need to create a list of the names o

Re: list question... unique values in all possible unique spots

Thank you for all your responses. I've tried the permutations road (thank you to all those of you who have suggested it) and it takes %*& %^ long :-) As expected. I've solved it a different way, which runs through the 26 spots by just adding one at a time if available. Still takes a long time, but

Re: list question... unique values in all possible unique spots

On Aug 11, 7:34 pm, [EMAIL PROTECTED] wrote: > Mensanator: > > > Ever tried to iterate 403 septillion times? > > The OP is talking about formulas, like: > X + Y * Z = W > Where X, Y, Z, W distinct and in [1, 26], so you have C(26, 4) > combinations that's way less than 26! > > >>> binomial(26, 4) >

Re: list question... unique values in all possible unique spots

Mensanator: > Ever tried to iterate 403 septillion times? The OP is talking about formulas, like: X + Y * Z = W Where X, Y, Z, W distinct and in [1, 26], so you have C(26, 4) combinations that's way less than 26! >>> binomial(26, 4) 14950 So this can be solved with a xcombinations() generator.

Re: list question... unique values in all possible unique spots

On Aug 11, 3:53 pm, Tobiah <[EMAIL PROTECTED]> wrote: > On Mon, 11 Aug 2008 13:46:10 -0700, Tobiah wrote: > > On Sat, 09 Aug 2008 08:07:26 -0700, Mensanator wrote: > > >> 40329146112660563558400 > > > I think it's only 4 septillion. > > I meant to say 403. Whatever. Ever tried to iterate 403

Re: list question... unique values in all possible unique spots

On Mon, 11 Aug 2008 13:46:10 -0700, Tobiah wrote: > On Sat, 09 Aug 2008 08:07:26 -0700, Mensanator wrote: > >> 40329146112660563558400 > > I think it's only 4 septillion. I meant to say 403. ** Posted from http://www.teranews.com ** -- http://mail.python.org/mailman/listinfo/python-list

Re: list question... unique values in all possible unique spots

On Mon, 11 Aug 2008 13:46:10 -0700, Tobiah wrote: > On Sat, 09 Aug 2008 08:07:26 -0700, Mensanator wrote: > >> 40329146112660563558400 > > I think it's only 4 septillion. I meant 403. ** Posted from http://www.teranews.com ** -- http://mail.python.org/mailman/listinfo/python-list

Re: list question... unique values in all possible unique spots

On Sat, 09 Aug 2008 08:07:26 -0700, Mensanator wrote: > 40329146112660563558400 I think it's only 4 septillion. Perfectly manageable. ** Posted from http://www.teranews.com ** -- http://mail.python.org/mailman/listinfo/python-list

Re: list question... unique values in all possible unique spots

On Aug 9, 8:05�am, ToshiBoy <[EMAIL PROTECTED]> wrote: > I'm wondering how to do this the most elegant way: I found this quiz > in some magazine. I've already solved it on paper, but want to write a > python program to solve it. It comes down to being able to represent > range(1,27) through a numbe

Re: list question... unique values in all possible unique spots

On Aug 9, 9:05 am, ToshiBoy <[EMAIL PROTECTED]> wrote: > I'm wondering how to do this the most elegant way: I found this quiz > in some magazine. I've already solved it on paper, but want to write a > python program to solve it. It comes down to being able to represent > range(1,27) through a numb

list question... unique values in all possible unique spots

I'm wondering how to do this the most elegant way: I found this quiz in some magazine. I've already solved it on paper, but want to write a python program to solve it. It comes down to being able to represent range(1,27) through a number of formulas. How do I write a loop that will loop through thi

Re: Mailing list question

python newbie wrote: > Hello, > Just curious; can I post a basic programming question to this mailing > list? You just did. :-) (Real answer: Yes. We're pretty newbie friendly here.) Gary Herron > > Thanks in advance. > > Pete > > ---

Mailing list question

Hello, Just curious; can I post a basic programming question to this mailing list? Thanks in advance. Pete - Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now.-- http://mail.python.org/mailman/listinfo/python-list

Re: List question

On Sun, 23 Mar 2008 15:55:43 -0700, John Machin wrote: > On Mar 24, 12:19 am, Dustan <[EMAIL PROTECTED]> wrote: >> On Mar 21, 3:57 pm, Paul Rubin wrote: >> >> > [EMAIL PROTECTED] writes: >> > >if 'one' and 'two' in f: >> > >alist.append(f) >> >> > Use: >>

Re: List question

On Mar 24, 12:19 am, Dustan <[EMAIL PROTECTED]> wrote: > On Mar 21, 3:57 pm, Paul Rubin wrote: > > > [EMAIL PROTECTED] writes: > > >if 'one' and 'two' in f: > > >alist.append(f) > > > Use: > > if 'one' in f and 'two' in f: ... > > Personally, I would

Re: List question

On Mar 21, 3:57 pm, Paul Rubin wrote: > [EMAIL PROTECTED] writes: > >if 'one' and 'two' in f: > >alist.append(f) > > Use: > if 'one' in f and 'two' in f: ... Personally, I would put parentheses around to be clearer: if ('one' in f) and ('two' in f

Re: List question

On Mar 22, 8:40�pm, Dennis Lee Bieber <[EMAIL PROTECTED]> wrote: > On Sat, 22 Mar 2008 14:55:39 -0700 (PDT), Zentrader > <[EMAIL PROTECTED]> declaimed the following in comp.lang.python: > > > is funny and not mean. �In the words of whoever it was in "Gone With > > The Wind", frankly I don't give a

Re: List question

On Sat, 22 Mar 2008 14:55:39 -0700, Zentrader wrote: >> No one meant to laugh at you. Your naivete was not obvious. FWIW, a >> sense of humor is a valuable possession in most Python-related >> conversations. > > Perhaps someone can explain how telling something like this to the OP, > who thinks

Re: List question

On Sat, 22 Mar 2008 16:16:03 -0700, bearophileHUGS wrote: > bearophile: >> A more computer-friendly (and Pythonic) syntax may be ('are' is a >> keyword): > > Sorry for causing confusion, I was just thinking aloud. English isn't my > first language, and sometimes I slip a bit. There is nothing w

Re: List question

bearophile: > A more computer-friendly (and Pythonic) syntax may be ('are' is a keyword): Sorry for causing confusion, I was just thinking aloud. English isn't my first language, and sometimes I slip a bit. Replace that with: > A more computer-friendly (and Pythonic) syntax may be ('are' is meant

Re: List question

If you can't laugh at your own stupidity, being a programmer will lead directly to insanity. =) 2008/3/22, Zentrader <[EMAIL PROTECTED]>: > > > No one meant to laugh at you. Your naivete was not obvious. FWIW, a > > sense of humor is a valuable possession in most Python-related > > conversations

Re: List question

> No one meant to laugh at you. Your naivete was not obvious. FWIW, a > sense of humor is a valuable possession in most Python-related > conversations. Perhaps someone can explain how telling something like this to the OP, who thinks this statement will work if 'one' and 'two' in f: is funny and

Re: List question

Zentrader wrote: > On Mar 22, 10:07 am, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: >> On Mar 22, 4:38 pm, Zentrader <[EMAIL PROTECTED]> wrote: >> if ('one', 'two') are in f: ... >>> "are" gives me an error in Python 2.5 with a "from future import *" >>> statement included. What version and p

Re: List question

On Mar 22, 10:07 am, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > On Mar 22, 4:38 pm, Zentrader <[EMAIL PROTECTED]> wrote: > > > > if ('one', 'two') are in f: ... > > > "are" gives me an error in Python 2.5 with a "from future import *" > > statement included. What version and platform are you ru

Re: List question

On Mar 22, 4:38 pm, Zentrader <[EMAIL PROTECTED]> wrote: > > if ('one', 'two') are in f: ... > > "are" gives me an error in Python 2.5 with a "from future import *" > statement included.  What version and platform are you running.  Also, > the docs don't mention it.http://docs.python.org/ref/keywor

Re: List question

> if ('one', 'two') are in f: ... "are" gives me an error in Python 2.5 with a "from future import *" statement included. What version and platform are you running. Also, the docs don't mention it. http://docs.python.org/ref/keywords.html -- http://mail.python.org/mailman/listinfo/python-list

Re: List question

Ricky Zhou: > Look at the this line: > if 'one' and 'two' in f: Very cute, it's the first time I see a bug like this. I think it's not a common enough pattern to justify a language change, but a bit smarter computer language may be able to do that too ;-) (it's not easy to tell the two meaning

Re: List question

[EMAIL PROTECTED] writes: > if 'one' and 'two' in f: > alist.append(f) Use: if 'one' in f and 'two' in f: ... -- http://mail.python.org/mailman/listinfo/python-list

Re: List question

On 2008-03-21 05:16:41 PM, [EMAIL PROTECTED] wrote: > alist = [] > blist = [ 'one','two','one and two','one and four','five','one two'] > for f in blist: > if 'one' and 'two' in f: > alist.append(f) > > for i in alist: > print i > > two > one and two > one two > > >

List question

Hello, I am learning python and dont quuite understand why is this happening could someone explain? alist = [] blist = [ 'one','two','one and two','one and four','five','one two'] for f in blist: if 'one' and 'two' in f: alist.append(f) for i in alist: print i tw

Re: stupid/style/list question

[EMAIL PROTECTED] wrote: > Duncan Booth: >> I tried to measure this with timeit, and it looks like the 'del' is >> actually quite a bit faster (which I find suprising). > > Yes, it was usually faster in my benchmarks too. Something similar is > true for dicts too. I think such timings are influen

Re: stupid/style/list question

Duncan Booth: > I tried to measure this with timeit, and it looks like the 'del' is > actually quite a bit faster (which I find suprising). Yes, it was usually faster in my benchmarks too. Something similar is true for dicts too. I think such timings are influenced a lot by the garbage collector.

Re: stupid/style/list question

Fredrik Lundh <[EMAIL PROTECTED]> wrote: > Giampaolo Rodola' wrote: > >> To flush a list it is better doing "del mylist[:]" or "mylist = []"? >> Is there a preferred way? If yes, why? > > The latter creates a new list object, the former modifies an existing > list in place. > > The latter is s

Re: stupid/style/list question

On Jan 8, 7:34 am, "Giampaolo Rodola'" <[EMAIL PROTECTED]> wrote: > I was wondering... > To flush a list it is better doing "del mylist[:]" or "mylist = []"? > Is there a preferred way? If yes, why? To empty an existing list without replacing it, the choices are "del mylist[:]" and "mylist[:] = [

Re: stupid/style/list question

On 8 Gen, 16:45, Fredrik Lundh <[EMAIL PROTECTED]> wrote: > Giampaolo Rodola' wrote: > > To flush a list it is better doing "del mylist[:]" or "mylist = []"? > > Is there a preferred way? If yes, why? > > The latter creates a new list object, the former modifies an existing > list in place. > > The

Re: stupid/style/list question

> To flush a list it is better doing "del mylist[:]" or "mylist = []"? > Is there a preferred way? If yes, why? It depends on what you want. The former modifies the list in-place while the latter just reassigns the name "mylist" to point to a new list within the local scope as demonstrated by thi

Re: stupid/style/list question

Giampaolo Rodola' wrote: > To flush a list it is better doing "del mylist[:]" or "mylist = []"? > Is there a preferred way? If yes, why? The latter creates a new list object, the former modifies an existing list in place. The latter is shorter, reads better, and is probably a bit faster in mos

stupid/style/list question

I was wondering... To flush a list it is better doing "del mylist[:]" or "mylist = []"? Is there a preferred way? If yes, why? -- http://mail.python.org/mailman/listinfo/python-list

Re: List Question

Pablo Ziliani wrote: > > > I always use this full-featured, all-inclusive, rock-solid version > (see the try/except block): > > count = i = 0 > x = 1 > y = [1,2,3,4,5,1,2,3,4,1,2,1] > try: > while count < 3: > if y[i] == x: > count += 1 > i += 1 > except RuntimeE

Re: List Question

On Oct 2, 11:09 pm, Paul McGuire <[EMAIL PROTECTED]> wrote: > On Oct 2, 4:20 pm, Paul Hankin <[EMAIL PROTECTED]> wrote: > > On Oct 2, 10:06 pm, brad <[EMAIL PROTECTED]> wrote: > > > > How is this expressed in Python? > > > > If x is in y more than three times: > > > print x > > > > y is a Pyth

Re: List Question

brad a écrit : > How is this expressed in Python? > > If x is in y more than three times: > print x > > y is a Python list. if y.count(x) > 3: print x -- http://mail.python.org/mailman/listinfo/python-list

Re: List Question

On Oct 2, 4:58 pm, Pablo Ziliani <[EMAIL PROTECTED]> wrote: > Paul Hankin wrote: > > On Oct 2, 10:06 pm, brad <[EMAIL PROTECTED]> wrote: > > >> How is this expressed in Python? > > >> If x is in y more than three times: > >> print x > > >> y is a Python list. > > > Simple and readable: > > if

Re: List Question

On Oct 2, 4:20 pm, Paul Hankin <[EMAIL PROTECTED]> wrote: > On Oct 2, 10:06 pm, brad <[EMAIL PROTECTED]> wrote: > > > How is this expressed in Python? > > > If x is in y more than three times: > > print x > > > y is a Python list. > > Simple and readable: > if len([a for a in y if x == a]) > 3

Re: List Question

Paul Hankin wrote: > On Oct 2, 10:06 pm, brad <[EMAIL PROTECTED]> wrote: > >> How is this expressed in Python? >> >> If x is in y more than three times: >> print x >> >> y is a Python list. >> > > Simple and readable: > if len([a for a in y if x == a]) > 3: > print x > > Or the sli

Re: List Question

On Oct 2, 10:20 pm, Paul Hankin <[EMAIL PROTECTED]> wrote: > On Oct 2, 10:06 pm, brad <[EMAIL PROTECTED]> wrote: > > > How is this expressed in Python? > > > If x is in y more than three times: > > print x > > > y is a Python list. > > Simple and readable: > if len([a for a in y if x == a]) >

Re: List Question

On Oct 2, 10:06 pm, brad <[EMAIL PROTECTED]> wrote: > How is this expressed in Python? > > If x is in y more than three times: > print x > > y is a Python list. Simple and readable: if len([a for a in y if x == a]) > 3: print x Or the slightly-too-flashy version: if sum(1 for a in y if x

Re: List Question

On Oct 2, 2007, at 2:06 PM, brad wrote: > How is this expressed in Python? > > If x is in y more than three times: > print x > > y is a Python list. # Try using help -- help(list) or help(list.count) for instance... if y.count(x) > 3: print x -- http://mail.python.org/mailman/listinf

List Question

How is this expressed in Python? If x is in y more than three times: print x y is a Python list. -- http://mail.python.org/mailman/listinfo/python-list

subclassing list question

test -- http://mail.python.org/mailman/listinfo/python-list

subclassing list question

Hi, I have a simple class that subclasses a list: class CaListOfObj(list): """ subclass of list """ def __init__(self, *args, **kwargs): list.__init__(self, *args, **kwargs) a= CaListOfObj([1,2,3]) Is it possible to have a method in the class that is called EVERY time a is modif

subclassing list question

Hi, I have a simple class that subclasses list: class CaListOfObj(list): """ subclass of list """ def __init__(self, *args, **kwargs): list.__init__(self, *args, **kwargs) a = CaListOfObj([1,2,3]) I want an instance method to be run EVERY time a is modified. Is this possible? T

Re: String constants (was "Looping over a list question")

> I'd also love to see string constants implemented some day too > (like str.whitespace and str.ascii_letters). You mean like the "string" module provides? :) >>> import string >>> print '\n'.join(["%s -> %s" % (s, repr(eval('string.%s' % s))) for s in dir(string) if isinstance(eval('string.%s

Re: Looping over a list question

[EMAIL PROTECTED] wrote: > My "print" line is actually a long 40 line block. and? if your editor isn't horribly broken, that shouldn't be much of a problem. (but you may want to refactor the code; if you have a processing block that large, it's probably better to move all or parts of it into a

Re: Looping over a list question

Tim Williams wrote: > Maybe > def myfunc(txt): > ... print txt > ... datafiles = ['1.txt','2.txt','3.txt','4.tst'] null = [myfunc(i) for i in datafiles if '.txt' in i] > 1.txt > 2.txt > 3.txt Ew. List comprehensions with side effects are very icky. -- http://mail.python.or

Re: Looping over a list question

Fredrik Lundh wrote: [snip] > probably. but unless your editor or keyboard is horribly broken, you > can of course press return at the right place instead: > >for i in datafiles: > if '.txt' in i: > print 'Processing datafile %s' % f > > (for this specific case, "endswi

Re: Looping over a list question

[EMAIL PROTECTED] wrote: > I found myself writing: > > for f in [i for i in datafiles if '.txt' in i]: > print 'Processing datafile %s' % f > > but I was wishing that I could have instead written: > > for f in in datafiles if '.txt' in f: > print 'Processing datafile %s' % f > > Has there

Re: Looping over a list question

[EMAIL PROTECTED] wrote: > I found myself writing: > > for f in [i for i in datafiles if '.txt' in i]: > print 'Processing datafile %s' % f > > but I was wishing that I could have instead written: > > for f in in datafiles if '.txt' in f: > print 'Processing datafile %s' % f > > Has th

Re: Looping over a list question

On 3 Oct 2006 10:50:04 -0700, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > I found myself writing: > > for f in [i for i in datafiles if '.txt' in i]: > print 'Processing datafile %s' % f > > but I was wishing that I could have instead written: > > for f in in datafiles if '.txt' in f: >

Re: Looping over a list question

On Tuesday 03 October 2006 19:50, [EMAIL PROTECTED] wrote: > I found myself writing: > > for f in [i for i in datafiles if '.txt' in i]: > print 'Processing datafile %s' % f > > but I was wishing that I could have instead written: > > for f in in datafiles if '.txt' in f: > print 'Processin

Looping over a list question

I found myself writing: for f in [i for i in datafiles if '.txt' in i]: print 'Processing datafile %s' % f but I was wishing that I could have instead written: for f in in datafiles if '.txt' in f: print 'Processing datafile %s' % f Has there ever been a proposal for this? Just wonderin

Re: python/mysql/list question...

bruce wrote: > hi. > > i have the following sample code. i'm trying to figure out if there's a way > to use a 'list of lists' in a mysql execute... > > i've tried a variety of combinations but i get an error: > Error 1241: Operand should contain 1 column(s) > > the test code is: > > insertSQL = "

RE: python/mysql/list question...

never mind... doh!!! executemany as opposed to execute!!! thanks -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of bruce Sent: Thursday, August 10, 2006 6:37 PM To: python-list@python.org Subject: python/mysql/list question... hi. i have the following

python/mysql/list question...

hi. i have the following sample code. i'm trying to figure out if there's a way to use a 'list of lists' in a mysql execute... i've tried a variety of combinations but i get an error: Error 1241: Operand should contain 1 column(s) the test code is: insertSQL = """insert into appTBL

Re: A simple list question.

KraftDiner wrote: > I am trying to implement a two dimensional array. > mylist = [[a,b,c],[d,e,f,c],[g,h,i]] > > So the array is of length 3 here... > So how do I initialize this array and then set each object? > At some point in my code I know there will be 3 lists in the list. > So how do I init

Re: A simple list question.

KraftDiner wrote: > I am trying to implement a two dimensional array. > mylist = [[a,b,c],[d,e,f,c],[g,h,i]] > > So the array is of length 3 here... > So how do I initialize this array and then set each object? > At some point in my code I know there will be 3 lists in the list. > So how do I init

Re: A simple list question.

I am trying to implement a two dimensional array. mylist = [[a,b,c],[d,e,f,c],[g,h,i]] So the array is of length 3 here... So how do I initialize this array and then set each object? At some point in my code I know there will be 3 lists in the list. So how do I initialize this list such that I can

Re: A simple list question.

On 22/12/05, Tim Williams (gmail) <[EMAIL PROTECTED]> wrote: On 22 Dec 2005 10:14:10 -0800, KraftDiner < [EMAIL PROTECTED]> wrote: Is there a cleaner way to implement this code?if len(self.listOfObjects) == 0:self.listOfObjects.append(self.cur

Re: A simple list question.

On 22 Dec 2005 10:14:10 -0800, KraftDiner <[EMAIL PROTECTED]> wrote: Is there a cleaner way to implement this code?if len(self.listOfObjects) == 0:self.listOfObjects.append(self.currentObject)elif:  

Re: A simple list question.

KraftDiner wrote: > Is there a cleaner way to implement this code? > > if len(self.listOfObjects) == 0: > self.listOfObjects.append(self.currentObject) > elif: > self.listOfObjects[self.currentS

A simple list question.

Is there a cleaner way to implement this code? if len(self.listOfObjects) == 0: self.listOfObjects.append(self.currentObject) elif: self.listOfObjects[self.currentSlice] = self.currentO

Re: Pychecker Re: Nested List Question

Roman Suzi <[EMAIL PROTECTED]> writes: > On Thu, 3 Nov 2005, Chris McCoy wrote: >>> gridSystemId = [[None]*columns]*rows >> You've made gridSystemID a list of `rows` references to the SAME "inner" >> list, so the behavior you observe is the only possible one. >> If you want copies instead, ASK for

Re: Nested List Question

"Newsfeeds" <[EMAIL PROTECTED]> wrote: > Could anyone tell me why this code produces the output it does? http://www.python.org/doc/faq/programming.html#how-do-i-create-a-multidimensional-list has the full story. -- http://mail.python.org/mailman/listinfo/python-list

Re: Pychecker Re: Nested List Question

It may, but I haven't been using Pychecker yet. I'm still fairly new to Python. Thanks, Chris M. "Roman Suzi" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > On Thu, 3 Nov 2005, Chris McCoy wrote: > >> Thank you! I've been banging my head against the wall! >> >> Chris M. > >>> g

Pychecker Re: Nested List Question

On Thu, 3 Nov 2005, Chris McCoy wrote: > Thank you! I've been banging my head against the wall! > > Chris M. >> gridSystemId = [[None]*columns]*rows > > You've made gridSystemID a list of `rows` references to the SAME "inner" > list, so the behavior you observe is the only possible one. > > If y

Re: Nested List Question

Thank you! I've been banging my head against the wall! Chris M. "Alex Martelli" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Newsfeeds <[EMAIL PROTECTED]> wrote: > >> Hello All, >> >> Could anyone tell me why this code produces the output it does? > ... >> gridSystemId = [[

Re: Nested List Question

Newsfeeds <[EMAIL PROTECTED]> wrote: > Hello All, > > Could anyone tell me why this code produces the output it does? ... > gridSystemId = [[None]*columns]*rows You've made gridSystemID a list of `rows` references to the SAME "inner" list, so the behavior you observe is the only possible on

Nested List Question

Hello All, Could anyone tell me why this code produces the output it does? noAdjacencies = 2 gridsPerAdj = 3 rows = 4 columns = 5 gridSystemId = [[None]*columns]*rows for row in range(rows): for column in range(columns): gridSystemId[row][column] = "%d-%d" % (row,column) print gr

Mailing list question

Puzzling. I have subscribed this list with an address int the gmail.com domain, and I receive your postings there,but it seems I can send messages with THIS address ,and I don't receive my messages sent with the gmail account. I don't receive any "python.org mailing list memberships reminder" on