| def add_elements(arr, k): | |
| """ | |
| Given a non-empty array of integers arr and an integer k, return | |
| the sum of the elements with at most two digits from the first k elements of arr. | |
| Example: | |
| Input: arr = [111,21,3,4000,5,6,7,8,9], k = 4 | |
| Output: 24 # sum of 21 + 3 | |
| Constraints: | |
| 1. 1 <= len(arr) <= 100 | |
| 2. 1 <= k <= len(arr) | |
| """ | |
| return sum(elem for elem in arr[:k] if len(str(elem)) <= 2) | |