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

Given an array of strings words, return the first palindromic string in the array. If there is no such string, return an empty string "".
A string is palindromic if it reads the same forward and backward.
 
Please complete the following python code precisely:
```python
class Solution:
    def firstPalindrome(self, words: List[str]) -> str:
```