<img src="/img/python-types/image01.png">

### Thêm kiểu dữ liệu

Hãy sửa một dòng từ phiên bản trước.

Chúng ta sẽ thay đổi chính xác đoạn này, tham số của hàm, từ:

```Python
    first_name, last_name
```

sang:

```Python
    first_name: str, last_name: str
```

Chính là nó.

Những thứ đó là "type hints":

```Python hl_lines="1"
{!../../docs_src/python_types/tutorial002.py!}
```

Arctic/Longyearbyen Asia/Aden Asia/Almaty Asia/Amman Asia/Anadyr Asia/Aqtau Asia/Aqtobe Asia/Ashgabat Asia/Ashkhabad Asia/Atyrau Asia/Baghdad Asia/Bahrain Asia/Baku Asia/Bangkok Asia/Barnaul Asia/Beirut Asia/Bishkek Asia/Brunei Asia/Calcutta Asia/Chita Asia/Choibalsan Asia/Chongqing Asia/Chungking Asia/Colombo Asia/Dacca Asia/Damascus Asia/Dhaka Asia/Dili Asia/Dubai Asia/Dushanbe Asia/Famagusta Asia/Gaza Asia/Harbin Asia/Hebron Asia/Ho_Chi_Minh Asia/Hong_Kong Asia/Hovd Asia/Irkutsk Asia/Istanbul...

  
  ### Apache CloudStack
  - Add support for Apache CloudStack
  
  ### AWS
  - Regenerate list of EC2 instances
  - Fix pricing endpoint in AWS China Region
  
  ### Azure
  - Add optional jitter on initial VMSS VM cache refresh, keep the refreshes spread over time
  - Serve from cache for the whole period of ongoing throttling

```

...và thấy trình soạn thảo của bạn nhận biết kiểu dữ liệu và gợi ý hoàn thiện các thuộc tính.

![trình soạn thảo hỗ trợ](https://fastapi.tiangolo.com/img/vscode-completion.png)

Ví dụ hoàn chỉnh bao gồm nhiều tính năng hơn, xem <a href="https://fastapi.tiangolo.com/tutorial/">Tutorial - User Guide</a>.


**Cảnh báo tiết lỗ**: Tutorial - User Guide:

  
  ### Apache CloudStack
  - Add support for Apache CloudStack
  
  ### AWS
  - Regenerate list of EC2 instances
  - Fix pricing endpoint in AWS China Region
  
  ### Azure
  - Add optional jitter on initial VMSS VM cache refresh, keep the refreshes spread over time
  - Serve from cache for the whole period of ongoing throttling

little of the right-hand bit to try the effect:  the next moment
she felt a violent blow underneath her chin:  it had struck her
foot!

  She was a good deal frightened by this very sudden change, but
she felt that there was no time to be lost, as she was shrinking
rapidly; so she set to work at once to eat some of the other bit.
Her chin was pressed so closely against her foot, that there was

Turner-Trauring, jacco, Jake Tae, Janosh Riebesell, Jason Zaman, jayanth, Jeff
Daily, Jens Elofsson, Jinzhe Zeng, JLZ, Jonas Skog, Jonathan Dekhtiar, Josh
Meyer, Joshua Chia, Judd, justkw, Kaixi Hou, Kam D Kasravi, Kamil Rakoczy, Karol
Gugala, Kayou, Kazuaki Ishizaki, Keith Smiley, Khaled Besrour, Kilaru Yasaswi
Sri Chandra Gandhi, Kim, Young Soo, Kristian Hartikainen, Kwabena W. Agyeman,

1CA8          ; mapped                 ; 10E8          # 11.0 GEORGIAN MTAVRULI CAPITAL LETTER SHIN
1CA9          ; mapped                 ; 10E9          # 11.0 GEORGIAN MTAVRULI CAPITAL LETTER CHIN
1CAA          ; mapped                 ; 10EA          # 11.0 GEORGIAN MTAVRULI CAPITAL LETTER CAN
1CAB          ; mapped                 ; 10EB          # 11.0 GEORGIAN MTAVRULI CAPITAL LETTER JIL