Samuel, http://groups.google.com/group/python-brasil
On Thu, Jun 26, 2014 at 12:18 PM, Chris Angelico <ros...@gmail.com> wrote: > 2014-06-27 0:16 GMT+10:00 Samuel David <samuel.co...@eos-hoepers.com>: > > Mas estou com uma dúvida referente ao tópico “Por que eu deveria usar > Python > > e não <insira aqui a sua linguagem favorita>?”. > > Google Translate tells me you're asking "Why use Python instead of > <some other language>?". (I'm going to respond only in English, as my > Portuguese is basically nil. Sorry.) Well, there are a lot of reasons > :) > > One is that Python is a clear and simple language; a form of > "executable pseudo-code". If you start by writing what you want to do > as comments, then translate slightly into a more formal grammar to > make pseudo-code, you're pretty close to having stubby Python code. > There's a minimum of fuss, the language does its best to get out of > the way and let you do your work. > > Closely related to that is Python's excellent interactive mode. Since > you don't have to declare variables or anything, you can simply fire > up Python interactively (eg by just typing "python", or with something > like IDLE), and it is simultaneously a clean environment in which you > just say "a = 2+3" and assign 5 to a, and a full programming > environment that gives you all the power you need (for instance, you > can define functions, then call them - that's something I was never > able to do in REXX, at least not without some fiddling). In contrast, > a language like Pike is that bit more wordy at its interactive prompt, > as you need to make appropriate declarations. And any language that > doesn't have first-class functions is going to be much less clean for > this sort of work - REXX doesn't have any concept of run-time function > creation at all, except that it can (ab)use the file system for that > job. > > Another advantage of Python is Unicode support. Particularly if you're > using Python 3.3 or newer, you're guaranteed that a string consists of > a sequence of Unicode codepoints, and you can depend on being able to > index and slice it accordingly. This is way WAY better than C, or PHP, > or any other language that sticks its head in the sand and tries to > ignore character encodings altogether; and it's better than UTF-16 > languages like JavaScript, because you avoid the subtle errors that > can creep in when you index a string with astral characters. You can > happily write your program and test it on Portuguese text, and be > confident that it'll work just as well with Hebrew. > > Finally, Python is a well-established language. You can write an > application in Python and simply tell people "You'll need a Python > interpreter, version 3.3 or better, to run this", and be confident > that they'll be able to get one - most Linux distros include Python in > their repositories, a Mac probably has it installed, on Windows it's > just a matter of fetching the .msi, and there are unofficial builds > for obscure platforms like OS/2. (Which I make good use of, > incidentally. We have a legacy OS/2 system, now running as a virtual > machine under Linux, on which we run certain legacy software. How do > we back up the crucial data from there? Simple: A Python script that > archives the necessaries, sends them via TCP/IP, and reports its > status to the user. I think it took me all of half a screenful of code > to write that.) > > There are other languages that I use and love, too; each one has its > strengths and weaknesses. These are just a few of Python's strengths. > > ChrisA > -- > https://mail.python.org/mailman/listinfo/python-list > -- *Guilherme Bessa Rezende* Software Engineer|DevOP [ IT, Security, Telecom, ] guilhermebr.com <http://www.guilhermebr.com>
-- https://mail.python.org/mailman/listinfo/python-list
