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DataFrame employees
+-------------+--------+
| Column Name | Type |
+-------------+--------+
| name | object |
| salary | int |
+-------------+--------+
A company intends to give its employees a pay rise.
Write a solution to modify the salary column by multiplying each salary by 2.
The result format is in the following example.
Example 1:
Input: DataFrame employees +---------+--------+ | name | salary | +---------+--------+ | Jack | 19666 | | Piper | 74754 | | Mia | 62509 | | Ulysses | 54866 | +---------+--------+ Output: +---------+--------+ | name | salary | +---------+--------+ | Jack | 39332 | | Piper | 149508 | | Mia | 125018 | | Ulysses | 109732 | +---------+--------+ Explanation: Every salary has been doubled.