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

You are given two strings s and t. In one step, you can append any character to either s or t.
Return the minimum number of steps to make s and t anagrams of each other.
An anagram of a string is a string that contains the same characters with a different (or the same) ordering.
 
Please complete the following python code precisely:
```python
class Solution:
    def minSteps(self, s: str, t: str) -> int:
```