How to update rows until condition is met in Pyspark

Question

Using Pyspark - I have a dataframe with with a Name column.

| Name | 
| ---  |
| 4013 |
| 4013 |
| 4013 |
| 4013 |
| 4013 |
| 4019 |
| 4019 |
| 4010 |
| 4010 |
|