Simple and easy to understand.
Code


# Code
```python3 []
class Solution:
    def minElement(self, nums: List[int]) -> int:
        min_e = 100
        for e in nums:
            sum_e = 0
            while e > 0:
                digit = e % 10
                sum_e  += digit
                e = e // 10
                
            if sum_e < min_e:
                min_e = sum_e

        return min_e
```
['Python3']