LeetCode-in-Java
2884. Modify Columns
Easy
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.
Solution
import pandas as pd
def modifySalaryColumn(employees: pd.DataFrame) -> pd.DataFrame:
employees['salary'] = employees['salary'] * 2
return employees