```Python hl_lines="3"
import os

name = os.getenv("MY_NAME", "World")
print(f"Hello {name} from Python")
```

/// tip | "Dica"

O segundo argumento para <a href="https://docs.python.org/3.8/library/os.html#os.getenv" class="external-link" target="_blank">`os.getenv()`</a> é o valor padrão a ser retornado.

Se não for fornecido, é `None` por padrão, Aqui fornecemos `"World"` como o valor padrão a ser usado.

///

{!../../docs_src/query_params_str_validations/tutorial006.py!}
```

/// info | "Informação"

Se você nunca viu os `...` antes: é um valor único especial, faz <a href="https://docs.python.org/3/library/constants.html#Ellipsis" class="external-link" target="_blank">parte do Python e é chamado "Ellipsis"</a>.

///

Dessa forma o **FastAPI** saberá que o parâmetro é obrigatório.

pkg go/types, type Info struct, FileVersions map[*ast.File]string #62605
pkg go/version, func Compare(string, string) int #62039
pkg go/version, func IsValid(string) bool #62039
pkg go/version, func Lang(string) string #62039
pkg html/template, const ErrJSTemplate //deprecated #61619
pkg io, method (*SectionReader) Outer() (ReaderAt, int64, int64) #61870
pkg log/slog, func SetLogLoggerLevel(Level) Level #62418

labels.facet_contentLength_250kto500k=250kb - 500kb
labels.facet_contentLength_1mto5m=1mb - 5mb
labels.facet_contentLength_5m=5mb -  
labels.facet_filetype_title=File Type
labels.facet_filetype_html=HTML
labels.facet_filetype_word=MS Word
labels.facet_filetype_excel=MS Excel
labels.facet_filetype_powerpoint=MS PowerPoint
labels.facet_filetype_odt=ODF Word
labels.facet_filetype_ods=ODF Spreadsheet

controlled from the declarative file. Maven can be extended by plugins to utilise a number of other development tools for reporting or the build process. https://issues.apache.org/jira/browse/MNG https://maven.apache.org/mailing-lists.html https://maven.apache.org/download.html Java http://projects.apache.org/category/build-management Apache Maven 4.0.0-beta-5 2024-10-22 4.0.0-beta-5 http://archive.apache.org/dist/maven/maven-4/4.0.0-beta-5/binaries/apache-maven-4.0.0-beta-5-bin.zip http://archive.apac...

	// AssumeRole action. For more information about ARNs and how to use them in
	// policies, see IAM Identifiers (http://docs.aws.amazon.com/IAM/latest/UserGuide/reference_identifiers.html)
	// in Using IAM.
	//
	// Arn is a required field
	Arn string

	// A unique identifier that contains the role ID and the role session name of

```Python hl_lines="1  6-9"
{!../../docs_src/path_params/tutorial005.py!}
```

/// info | "Bilgi"

3.4 sürümünden beri <a href="https://docs.python.org/3/library/enum.html" class="external-link" target="_blank">enumerationlar (ya da enumlar) Python'da mevcuttur</a>.

///

/// tip | "İpucu"

efault(t.querySelectorAll(".tooltip-inner")),this.getTitle()),o.default(t).removeClass("fade show")},e.setElementContent=function(t,e){"object"!=typeof e||!e.nodeType&&!e.jquery?this.config.html?(this.config.sanitize&&(e=At(e,this.config.whiteList,this.config.sanitizeFn)),t.html(e)):t.text(e):this.config.html?o.default(e).parent().is(t)||t.empty().append(e):t.text(o.default(e).text())},e.getTitle=function(){var t=this.element.getAttribute("data-original-title");return t||(t="function"==typeof th...

    }
  }

  /**
   * Returns the class path URIs specified by the {@code Class-Path} manifest attribute, according
   * to <a
   * href="http://docs.oracle.com/javase/8/docs/technotes/guides/jar/jar.html#Main_Attributes">JAR
   * File Specification</a>. If {@code manifest} is null, it means the jar file has no manifest, and
   * an empty set will be returned.
   */
  @VisibleForTesting

                // only) but support only configuration/httpConfiguration/all, see
                // https://maven.apache.org/guides/mini/guide-http-settings.html
                Map<String, String> headers = null;
                Integer connectTimeout = null;
                Integer requestTimeout = null;