Please solve the programming task below using a self-contained code snippet in a markdown code block.

Given a string s, reverse the string according to the following rules:

All the characters that are not English letters remain in the same position.
All the English letters (lowercase or uppercase) should be reversed.

Return s after reversing it.
 
Please complete the following python code precisely:
```python
class Solution:
    def reverseOnlyLetters(self, s: str) -> str:
```