Question

2878. 获取 DataFrame 的大小

English Version

题目描述

DataFrame players:
+-------------+--------+
| Column Name | Type   |
+-------------+--------+
| player_id   | int  |
| name    | object |
| age     | int  |
| position  | object |
| ...     | ...  |
+-------------+--------+

编写一个解决方案，计算并显示 players 的 行数和列数。

将结果返回为一个数组：

[number of rows, number of columns]

返回结果格式如下示例所示。

 

示例 1：

输入：
+-----------+----------+-----+-------------+--------------------+
| 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      |
+-----------+----------+-----+-------------+--------------------+
输出：
[10, 5]
解释：
这个 DataFrame 包含 10 行和 5 列。

解法

方法一

import pandas as pd


def getDataframeSize(players: pd.DataFrame) -> List[int]:
  return list(players.shape)