Regards to Loop

How to create loop for this

I have a Date Columns Based on Date Period

additional column needs to be added, in this example

time frame is Jan to March ,

Input Data

| Start Date | End Date | Amount |
| 1/1/2024   | 1/3/2024 | 100    |

Output Required as

| Start Date | End Date | Amount | Monty& Year |
| 1/1/2024   | 1/3/2024 | 100    | 0124            |
| 1/1/2024   | 1/3/2024 | 100    | 0224            |
| 1/1/2024   | 1/3/2024 | 100    | 0324            |