* `GET`: untuk membaca data.
* `PUT`: untuk memperbarui data.
* `DELETE`: untuk menghapus data.

Sehingga, di OpanAPI, setiap metode HTTP ini disebut sebuah "operasi".

Kita akan menyebut mereka juga "**operasi**".

#### Mendefinisikan *dekorator operasi path*

{* ../../docs_src/first_steps/tutorial001.py hl[6] *}

## Opini

"_[...] Saya banyak menggunakan **FastAPI** sekarang ini. [...] Saya berencana menggunakannya di semua tim servis ML Microsoft. Beberapa dari mereka sudah mengintegrasikan dengan produk inti *Windows** dan sebagian produk **Office**._"

**FastAPI** herhangi bir özel amacı veya anlamı olması konusunda ısrarcı olmaz.

Buradaki bilgiler bir gereklilik değil, bir kılavuz olarak sunulmaktadır.

Mesela GraphQL kullanırkan genelde tüm işlemleri yalnızca `POST` operasyonunu kullanarak gerçekleştirirsiniz.

///

### Adım 4: **Yol Operasyonu Fonksiyonunu** Tanımlayın

Yani yumurta mı tavukdan, tavuk mu yumurtadan gibi ilk `async` fonksiyonu nasıl çağırılır?

**FastAPI** ile çalışıyorsanız bunun için endişelenmenize gerek yok, çünkü bu "ilk" fonksiyon sizin *path fonksiyonunuz* olacak ve FastAPI doğru olanı nasıl yapacağını bilecek.

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