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 7. Fundamentosdas strings
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Até agora, estudamos números e exploramos o modelo de tipagem dinâmica do Python. O próximo tipo importante em nossa viagem detalhada pelos objetos é a string do Python — umacoleção ordenada de caracteres usada para armazenar e representar informações baseadas em texto e bytes. Vimos brevemente as strings no Capítulo 4. Aqui, vamos revisá-las para preencher os detalhes que deixamos de lado antes.
Antes de começarmos, vamos esclarecer o que não abordaremos aqui. O Capítulo 4 também apresentou brevemente as strings e arquivos Unicode — ferramentas para lidar com texto não ASCII. O Unicode é uma ferramenta fundamental para programadores, especialmente aqueles que trabalham na área de internet. Ele pode aparecer, por exemplo, em páginas da web, e-mails, kits de ferramentas GUI, ferramentas de processamento de arquivos, texto XML e JSON e muito mais. Ao mesmo tempo, Unicode pode ser um assunto pesado para programadores que estão começando, e entender tudo isso depende de ferramentas que ainda não estudamos completamente, como arquivos.
Por isso, este livro divide a cobertura de strings entre o essencial aqui e sua extensão para Unicode e strings de bytes no Capítulo 37 da parte de tópicos avançados. Ou seja, este capítulo conta apenas parte da história das strings em Python — a parte que a maioria dos scripts usa e que a maioria ...
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