Re: [Tutor] array of different datatypes

Dinesh B Vadhia wrote: Thanks Steve. How do you sort on the second element of each list to get: a' = [[42, 'fish'], [1, 'hello'] [2, 'world'] ] something like this would do the trick: a_prime = sorted(a, key=(lambda i: i[1])) sorted(a) returns a new list consisting o

Re: [Tutor] array of different datatypes

Thanks Steve. How do you sort on the second element of each list to get: a' = [[42, 'fish'], [1, 'hello'] [2, 'world'] ] From: Steve Willoughby Sent: Monday, September 22, 2008 8:16 PM To: Dinesh B Vadhia Cc: tutor@python.org Subject: Re: [Tutor] array of different

Re: [Tutor] array of different datatypes

Dinesh B Vadhia wrote: I have looked (honestly!) and cannot see an array structure to allow different datatypes per column. I need a 2 column array with column 1 = an integer and column 2 = chars, and after populating the array, sort on column 2 with column 1 sorted relatively. If by "array"

[Tutor] array of different datatypes

I have looked (honestly!) and cannot see an array structure to allow different datatypes per column. I need a 2 column array with column 1 = an integer and column 2 = chars, and after populating the array, sort on column 2 with column 1 sorted relatively. Thanks! Dinesh

Re: [Tutor] Exhaustive Enumeration

Download links... 1) Think Python (about 240 pages)--Allen Downey and http://www.greenteapress.com/thinkpython/thinkpython.html > 2) A Byte of Python (about 100 pages) http://www.swaroopch.com/notes/Python#Download On Sun, 2008-09-21 at 16:31 -0400, Robert Berman wrote: > First, thank y

Re: [Tutor] optparse example

On 9/22/08, Tasos Latsas <[EMAIL PROTECTED]> wrote: > Hello list, > I tried the optparse example from the python library reference and it > doesn't seem to work..what am I doing wrong? > I keep getting the "incorrect number of arguments" message although i > use the correct number.. Actually, you

Re: [Tutor] optparse example

On Mon, Sep 22, 2008 at 7:16 AM, Tasos Latsas <[EMAIL PROTECTED]> wrote: > Hello list, > I tried the optparse example from the python library reference and it > doesn't seem to work..what am I doing wrong? > I keep getting the "incorrect number of arguments" message although i > use the correct num

[Tutor] optparse example

Hello list, I tried the optparse example from the python library reference and it doesn't seem to work..what am I doing wrong? I keep getting the "incorrect number of arguments" message although i use the correct number.. The example is here : http://docs.python.org/lib/optparse-putting-it-all-tog