付費限定文章

Get the Size of a DataFrame 取得DataFrame的大小(資料表的寬度與高度)

Isaac Smith on Unsplash

題目敘述

題目會給定一個pandas DataFrame，要求我們回傳該紀錄表的高度和寬度，也就是對應的number of rows和number of columns。

題目的原文敘述

測試範例

Example 1:

Input:
+-----------+----------+-----+-------------+--------------------+
| player_id | name     | age | position    | team               |
+-----------+----------+-----+-------------+--------------------+
| 846       | Mason    | 21  | Forward     | RealMadrid         |
| 749       | Riley    | 30  | Winger      | Barcelona          |
| 155       | Bob      | 28  | Striker     | ManchesterUnited   |
| 583       | Isabella | 32  | Goalkeeper  | Liverpool          |
| 388       | Zachary  | 24  | Midfielder  | BayernMunich       |
| 883       | Ava      | 23  | Defender    | Chelsea            |
| 355       | Violet   | 18  | Striker     | Juventus           |
| 247       | Thomas   | 27  | Striker     | ParisSaint-Germain |
| 761       | Jack     | 33  | Midfielder  | ManchesterCity     |
| 642       | Charlie  | 36  | Center-back | Arsenal            |
+-----------+----------+-----+-------------+--------------------+
Output:
[10, 5]
Explanation:
This DataFrame contains 10 rows and 5 columns.

總共有10筆資料，每筆資料的欄位寬度為5​