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leetcode/problem/get-the-size-of-a-dataframe.html Normal file
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<pre>
DataFrame <code>players:</code>
+-------------+--------+
| Column Name | Type |
+-------------+--------+
| player_id | int |
| name | object |
| age | int |
| position | object |
| ... | ... |
+-------------+--------+
</pre>
<p>Write a solution to calculate and display the <strong>number of rows and columns</strong> of <code>players</code>.</p>
<p>Return the result as an array:</p>
<p><code>[number of rows, number of columns]</code></p>
<p>The result format is in the following example.</p>
<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>
<pre>
<strong>Input:
</strong>+-----------+----------+-----+-------------+--------------------+
| 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 |
+-----------+----------+-----+-------------+--------------------+<strong>
Output:
</strong>[10, 5]
<strong>Explanation:</strong>
This DataFrame contains 10 rows and 5 columns.
</pre>