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47 lines
1.6 KiB
HTML
47 lines
1.6 KiB
HTML
<pre>
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DataFrame <code>players:</code>
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+-------------+--------+
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| Column Name | Type |
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+-------------+--------+
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| player_id | int |
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| name | object |
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| age | int |
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| position | object |
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| ... | ... |
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+-------------+--------+
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</pre>
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<p>编写一个解决方案，计算并显示 <code>players</code> 的 <strong>行数和列数</strong>。</p>
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<p>将结果返回为一个数组：</p>
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<p><code>[number of rows, number of columns]</code></p>
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<p>返回结果格式如下示例所示。</p>
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<p> </p>
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<p><b>示例 1：</b></p>
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<pre>
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<strong>输入：
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</strong>+-----------+----------+-----+-------------+--------------------+
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| player_id | name | age | position | team |
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+-----------+----------+-----+-------------+--------------------+
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| 846 | Mason | 21 | Forward | RealMadrid |
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| 749 | Riley | 30 | Winger | Barcelona |
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| 155 | Bob | 28 | Striker | ManchesterUnited |
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| 583 | Isabella | 32 | Goalkeeper | Liverpool |
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| 388 | Zachary | 24 | Midfielder | BayernMunich |
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| 883 | Ava | 23 | Defender | Chelsea |
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| 355 | Violet | 18 | Striker | Juventus |
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| 247 | Thomas | 27 | Striker | ParisSaint-Germain |
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| 761 | Jack | 33 | Midfielder | ManchesterCity |
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| 642 | Charlie | 36 | Center-back | Arsenal |
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+-----------+----------+-----+-------------+--------------------+<strong>
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输出：
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</strong>[10, 5]
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<b>解释：</b>
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这个 DataFrame 包含 10 行和 5 列。
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</pre>
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