2878. 获取 DataFrame 的大小
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
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