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: 21, 25, ['9795', 'T', '6171', '7767', 'o', 'j', '6437', '1863', '6475', '6279', '3753', '4715', 't', 'Y', 'n', 'J', '4351', '2791', '1829', '2979', 'o', '235', 'o', '5127', 'Z']

o235o5127Z