**FastAPI** se basa completamente en estas anotaciones de tipos, dándole muchas ventajas y beneficios.

Pero incluso si nunca usas **FastAPI**, te beneficiaría aprender un poco sobre ellas.

/// note | Nota

Si eres un experto en Python, y ya sabes todo sobre las anotaciones de tipos, salta al siguiente capítulo.

///

## Motivación { #motivation }

Comencemos con un ejemplo simple:

{* ../../docs_src/python_types/tutorial001_py39.py *}

		// Valid inputs.
		{":9000", []string{"/export1"}, true},
		{":9000", []string{"/export1", "/export2", "/export3", "/export4"}, true},
		{":9000", []string{"/export1{1...64}"}, true},
		{":9000", []string{"/export1{01...64}"}, true},
		{":9000", []string{"/export1{1...32}", "/export1{33...64}"}, true},
		{":9001", []string{"http://localhost:9001/export{1...64}"}, true},

In vielen Fällen kennen Sie möglicherweise bereits die Antwort auf diese Fragen. 🤓

Wenn Sie vielen Menschen bei ihren Fragen helfen, werden Sie offizieller [FastAPI-Experte](fastapi-people.md#fastapi-experts){.internal-link target=_blank}. 🎉

///

You can see the **FastAPI Experts** for:

* [Last Month](#fastapi-experts-last-month) 🤓
* [3 Months](#fastapi-experts-3-months) 😎
* [6 Months](#fastapi-experts-6-months) 🧐
* [1 Year](#fastapi-experts-1-year) 🧑‍🔬
* [**All Time**](#fastapi-experts-all-time) 🧙

### FastAPI Experts - Last Month

/// tip

질문이 있는 경우, <a href="https://github.com/fastapi/fastapi/discussions/new?category=questions" class="external-link" target="_blank">GitHub 디스커션</a> 에서 질문하십시오, [FastAPI Experts](fastapi-people.md#fastapi-experts){.internal-link target=_blank} 의 도움을 받을 가능성이 높습니다.

다른 일반적인 대화에서만 채팅을 사용하십시오.

///

### 질문을 위해 채팅을 사용하지 마십시오

                     */
                    exports = Arrays.asList(extensionRealm.getId());
                }

                for (String export : exports) {
                    projectRealm.importFrom(extensionRealm, export);
                }
            }

            DependencyFilter extensionArtifactFilter = null;

Usa el chat solo para otras conversaciones generales.

///

### No uses el chat para preguntas { #dont-use-the-chat-for-questions }

	result := DB.Dialector.Explain(stmt.SQL.String(), stmt.Vars...)
	expects := DB.Dialector.Explain(execStmt.SQL.String(), execStmt.Vars...)

	if !strings.HasSuffix(result, expects) {
		t.Errorf("expects: %v, got %v", expects, result)
	}

	stmt2 := dryRunDB.Where(
		DB.Scopes(NameIn1And2),
	).Or(

Use the chat only for other general conversations.

///

### Don't use the chat for questions { #dont-use-the-chat-for-questions }

				const saddr = getInt64(addr + 0);
				const len = getInt64(addr + 8);
				return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
			}

			const testCallExport = (a, b) => {
				this._inst.exports.testExport0();
				return this._inst.exports.testExport(a, b);
			}

			const timeOrigin = Date.now() - performance.now();
			this.importObject = {
				_gotest: {