Python Easy Solution
\nclass Solution:\n    def divideString(self, s: str, k: int, fill: str) -> List[str]:\n        if (len(s)%k!=0):\n            s+=(fill*(k-len(s)%k))\n        r
```\nclass Solution:\n    def divideString(self, s: str, k: int, fill: str) -> List[str]:\n        if (len(s)%k!=0):\n            s+=(fill*(k-len(s)%k))\n        return [s[i:i+k] for i in range(0,len(s)-k+1,k)]\n```
['Python']