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<!doctype html>
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<meta charset="utf-8">
<title>Fujindo para as Colinas com Python</title>
<meta name="description" content="A framework for easily creating beautiful presentations using HTML">
<meta name="author" content="Hakim El Hattab">
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<div class="slides">
<section>
<section data-background="_images/python.jpg">
<h1 class="semi-opaque">Fujindo para as Colinas Com Python</h1>
</section>
</section>
<section>
<section>
<img src="_images/avatar-20170726.png" alt="Me" style="float:left;width:200px;" class="no-border">
<div>
<ul class="empty">
<li>Júlio Biason</li>
<li>Azion Technologies<img src="_images/azion-logo.png" alt="Azion logo" class='company-logo'></li>
<li>@juliobiason</li>
<li>julio.biason@gmail.com</li>
<li><a href="http://presentations.juliobiason.net">http://presentations.juliobiason.net</a></li>
</ul>
</div>
</section>
<section>
<img src="_images/start-a-fight.jpg" alt="Eu faço perguntas em reuniões que eu não sei nada e reunião explode; não é de propósito" class='stretch'/>
<aside class="notes">
Eu sou famoso (ou era) por entrar eu reuniões, fazer uma
pergunta e a reunião explodir em discussões (úteis, diga-se
de passagem). Mas eu não fazia isso de propósito.
</aside>
</section>
<section>
<img src="_images/fast-speaker.jpg" alt="Eu falo rárpido">
<aside class="notes">
Eu também tenho costume de falar rápido.
Essa apresentação talvez termine em menos de
20 minutos, mas eu deixo mais tempo para as
perguntas dessa forma.
</aside>
</section>
</section>
<section>
<section>
<h2>O "Hello World"</h2>
<pre><code>print("Hello world")</code></pre>
<aside class="notes">
Hello world não explica muita coisa sobre
uma linguagem, então eu resolvi falar
de outro problema.
</aside>
</section>
<section>
<h2>O "Fujam para as Colinas"</h2>
<pre><code>print("Fujam para as colinas")</code></pre>
<p class="fragment">
Fulam Para As Cojinas
</p>
<p class="fragment">
Julam Para As Conifas
</p>
</section>
</section>
<section>
<section>
<h2>Passo 1: Marcar onde entram os valores</h2>
<pre><code>
frase = 'Fujam para as colinas'
print(frase)
</code></pre>
</section>
<section>
<h2>Passo 1: Marcar onde entram os valores</h2>
<pre><code>
consoantes = ['f', 'j', 'c', 'l', 'n']
frase = 'Fujam para as colinas'
print(frase)
</code></pre>
</section>
<section>
<h2>Passo 1: Marcar onde entram os valores</h2>
<pre><code>
$ python
Python 3.6.2 (default, Aug 11 2017, 11:59:59)
[GCC 7.1.1 20170622 (Red Hat 7.1.1-3)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> help(str)
</code></pre>
</section>
<section>
<h2>Passo 1: Marcar onde entram os valores</h2>
<pre><code>
| format(...)
| S.format(*args, **kwargs) -> string
|
| Return a formatted version of S, using substitutions from args and kwargs.
| The substitutions are identified by braces ('{' and '}').
</code></pre>
</section>
</section>
<section>
<section>
<h2>Pausa: <code>format</code></h2>
<pre><code>
>>> '{} {}.'.format('Hello', 'world')
Hello world.
</code></pre>
</section>
<section>
<h2>Pausa: <code>format</code></h2>
<pre><code>
>>> '{1} {0}.'.format('Hello', 'world')
world Hello.
</code></pre>
</section>
<section>
<h2>Pausa: <code>format</code></h2>
<pre><code>
>>> '{primeiro} {segundo}.'.format(primeiro='Hello',
segundo='world')
Hello world.
</code></pre>
</section>
</section>
<section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> def soma(primeiro, segundo):
... return primeiro + segundo
>>>
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> soma(1, 2)
3
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> soma(primeiro=3, segundo=4)
7
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> soma(segundo=5, primeiro=6)
11
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> def varargs(*args):
... print(args)
>>>
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> varargs('f', 'j', 'c', 'l', 'm')
['f', 'j', 'c', 'l', 'm']
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> def varargs(**kwargs):
... print(kwargs)
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> varargs(primeiro=2, segundo=4)
{'primeiro': 2, 'segundo': 4}
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> def varargs(*args, **kwargs):
... print(args)
... print(kwargs)
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> varargs('f', 'j', 'c', primeiro=2, segundo=4)
['f', 'j', 'c']
{'primeiro': 2, 'segundo': 4}
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> valores = [3, 4]
>>> soma(*valores)
7
</code></pre>
</section>
<section>
<h2>Pausa da Pausa: <code>*args</code> e <code>**kwargs</code></h2>
<pre><code>
>>> valores = {'segundo': 12, 'primeiro': 7}
>>> soma(**valores)
19
</code></pre>
</section>
</section>
<section>
<section>
<h2>Passo 1: Marcar onde entram os valores</h2>
<pre><code>
consoantes = ['f', 'j', 'c', 'l', 'n']
frase = 'Fujam para as colinas'
print(frase)
</code></pre>
</section>
<section>
<h2>Passo 1: Marcar onde entram os valores</h2>
<pre><code>
consoantes = ['f', 'j', 'c', 'l', 'n']
frase = '{}u{}am para as {}o{}i{}as'
</code></pre>
</section>
<section>
<h2>Passo 1: Marcar onde entram os valores</h2>
<pre><code>
consoantes = ['f', 'j', 'c', 'l', 'n']
frase = '{}u{}am para as {}o{}i{}as'
print(frase.format(*consoantes))
</code></pre>
</section>
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