Simple python solution
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nclass Solution:\n    def divideString(self, s: str, k: int, fill: str) -> List[str]:\n        lst=[]\n        for i in range(0,len(s),k):\n            a=s[i:i+k]\n            if len(a)==k:\n                lst.append(a)\n            else:\n                c=k-len(a)\n                for j in range(c):\n                    a=a+fill\n                lst.append(a)\n        return lst\n```
['Python3']