Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #72068

Re: confused about the different built-in functions in Python

Date 2014-05-26 07:15 -0800
From Deb Wyatt <codemonkey@inbox.com>
Subject Re: confused about the different built-in functions in Python
References <648e6136a80.00000651codemonkey@inbox.com>
Newsgroups comp.lang.python
Message-ID <mailman.10345.1401117355.18130.python-list@python.org> (permalink)

Show all headers | View raw


<snip>
> 
> On 5/25/14 7:55 PM, Deb Wyatt wrote:
>> I am confused about how various built-in functions are called.  Some are
>> called with dot notation
>> 
<snip
>>> How do you know/remember which way to call them?
>> 
>> TIA,
>> Deb in WA, USA
> 
> It can be confusing.  Generally, built-in functions (like sum, len, etc)
> are used when the operation could apply to many different types.  For
> example, sum() can be used with any iterable that produces addable
> things.
> 
> Operations that are defined only for a single type (like .isalpha as a
> string operation) are usually defined as methods on the type.
> 
> This is not a black/white distinction, I'm sure there are interesting
> counter-examples.  But this is the general principle.
> 
> --
> Ned Batchelder, http://nedbatchelder.com
> 
> --
> https://mail.python.org/mailman/listinfo/python-list

Thank you for answering.  I meant to send this to the tutor list, but messed up.  So, I guess there isn't a magic answer to this one, and I'll learn as I learn the language.  Have a great day.

Deb in WA, USA

____________________________________________________________
FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop!
Check it out at http://www.inbox.com/earth

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread


Thread

Re: confused about the different built-in functions in Python Deb Wyatt <codemonkey@inbox.com> - 2014-05-26 07:15 -0800

csiph-web