Você pode criar e utilizar variáveis de ambiente no terminal, sem precisar utilizar Python:

//// tab | Linux, macOS, Windows Bash

<div class="termy">

```console

Eu penso que `Union[SomeType, None]` é mais explícito sobre o que ele significa.

Isso é apenas sobre palavras e nomes. Mas estas palavras podem afetar como os seus colegas de trabalho pensam sobre o código.

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pd.it
pdns.page
pe
pe.ca
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pe.kr
pe.leg.br
pecori.jp
peewee.jp
penne.jp
penza.su
pepper.jp
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perspecta.cloud
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pet
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// hu : http://www.domain.hu/domain/English/sld.html
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