November 2025
Intermediate to advanced
1172 pages
46h 25m
Portuguese (Portugal, Brazil)
Content preview from Aprendendo Python (Portuguese Edition), 1st Edition
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Capítulo 4. Introdução aos objetos Python
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Este capítulo começa nossa jornada pela linguagem Python. De um jeito informal, em Python a gente faz coisas com coisas. “Coisas” são operações como adição e concatenação, e “coisas” são os objetos nos quais a gente faz essas operações. Nesta parte do livro, vamos focar nessas coisas e no que nossos programas podem fazer com elas.
De forma um pouco mais formal, em Python, os dados assumem e e a forma de objetos — sejamobjetos embutidos que o Python fornece, como strings e listas, ou objetos adicionais que criamos com classes Python ou ferramentas de linguagem externa. Como você verá, esses objetos são essencialmente apenas pedaços de memória, com valores e operações associadas. Além disso, tudo é um objeto em um script Python. Até mesmo números simples se qualificam, com valores (por exemplo, 99) e operações suportadas (+, - e assim por diante).
Como os objetos também são a noção mais fundamental na programação Python, este capítulo nos apresenta uma visão geral dos tipos de objetos embutidos no Python. Os capítulos posteriores desta parte fornecem uma segunda abordagem que preenche os detalhes que vamos ignorar nesta visão geral. Aqui, nosso objetivo é fazer um breve tour para apresentar o básico.
A hierarquia conceitual do Python
Antes de chegarmos ao código, vamos primeiro estabelecer uma imagem clara de como este ...
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