Python easy solution
\nclass Solution:\n    def addToArrayForm(self, A: List[int], K: int) -> List[int]:\n        # prepare original number\n        str_numbers_list = [str(number) 
```\nclass Solution:\n    def addToArrayForm(self, A: List[int], K: int) -> List[int]:\n        # prepare original number\n        str_numbers_list = [str(number) for number in A]\n        number = int("".join(str_numbers_list))\n\n        # prepare and return the answer\n        number += K\n        res = [int(x) for x in str(number)] \n        return res\n```
[]