Go : Short and Sweet
Time & Space Complexity: O(n)\n\n# Code\n\nfunc divideString(s string, k int, fill byte) []string {\n    groups := []string{}\n    for j := 0; j < len(s); j+=k 
Time & Space Complexity: $$O(n)$$\n\n# Code\n```\nfunc divideString(s string, k int, fill byte) []string {\n    groups := []string{}\n    for j := 0; j < len(s); j+=k {\n        subStr := s[j:min(j+k, len(s))]\n        groups = append(groups, subStr + strings.Repeat(string(fill), k-len(subStr)))\n    }\n    return groups\n}\n```
['Go']