Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to concatenate all elements of A from the ith element to the jth element, and print the resultant string. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 3, 12, ['2635', '4927', '6629', 'g', '1519', '5273', '5639', 'x', 'n', '7293', '3725', 'j', '7553', '2829', 'm', '4097', 'Y', '2411', 'I', '9457', 'o']

6629g151952735639xn72933725j