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 5. Números e expressões
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Este capítulo começa nossa viagem detalhada pela linguagem Python. No Python, os dados vêm na forma de objetos — sejam objetos embutidos que o Python oferece ou objetos que criamos usando ferramentas do Python e outras linguagens, como C. Na verdade, os objetos são a base de todo programa Python que você vai escrever. Como são a ideia mais importante na programação Python, os objetos também são nosso primeiro foco neste livro.
No capítulo anterior, fizemos uma rápida primeira abordagem dos tipos de objetos principais do Python. Embora termos essenciais tenham sido introduzidos nesse capítulo, evitamos abordar muitos detalhes específicos por uma questão de espaço. Aqui, vamos começar uma segunda análise mais cuidadosa dos conceitos de objetos, para preencher os detalhes que deixamos de lado anteriormente. Vamos começar explorando nossa primeira categoria: objetos numéricos e operações do Python.
Noções básicas sobre objetos numéricos
A maior parte do suporte numérico do Python é bem típico e provavelmente vai parecer familiar se você já usou quase qualquer outra linguagem de programação no passado. Eles podem ser usados para controlar seu saldo bancário, a distância até Marte, o número de visitantes do seu site e praticamente qualquer outra quantidade numérica.
No Python, os números não são realmente um único tipo de objeto, mas ...
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