Display the First Three Rows
<pre>
DataFrame: <code>employees</code>
+-------------+--------+
| Column Name | Type   |
+-------------+--------+
| employee_id | int    |
| name        | object |
| department  | object |
| salary      | int    |
+-------------+--------+
</pre>

<p>Write a solution to display the <strong>first <code>3</code> </strong>rows<strong> </strong>of this DataFrame.</p>

<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>

<pre>
<strong>Input:
</strong>DataFrame employees
+-------------+-----------+-----------------------+--------+
| employee_id | name      | department            | salary |
+-------------+-----------+-----------------------+--------+
| 3           | Bob       | Operations            | 48675  |
| 90          | Alice     | Sales                 | 11096  |
| 9           | Tatiana   | Engineering           | 33805  |
| 60          | Annabelle | InformationTechnology | 37678  |
| 49          | Jonathan  | HumanResources        | 23793  |
| 43          | Khaled    | Administration        | 40454  |
+-------------+-----------+-----------------------+--------+
<strong>Output:</strong>
+-------------+---------+-------------+--------+
| employee_id | name    | department  | salary |
+-------------+---------+-------------+--------+
| 3           | Bob     | Operations  | 48675  |
| 90          | Alice   | Sales       | 11096  |
| 9           | Tatiana | Engineering | 33805  |
+-------------+---------+-------------+--------+
<strong>Explanation:</strong> 
Only the first 3 rows are displayed.</pre>

[]
[]
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{
  "pythondata": [
    "employees = pd.DataFrame([], columns=['employee_id', 'name', 'department', 'salary']).astype({'employee_id':'Int64', 'name':'object', 'department':'object', 'salary':'Int64'})"
  ],
  "database": true,
  "name": "selectFirstRows",
  "languages": [
    "pythondata"
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}
{"pythondata": ["Pandas", "<p>Python 3.10 with Pandas 2.2.2 and NumPy 1.26.4</p>"]}
[]