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: 4, 13, ['7635', 'K', 'd', '1425', '2625', 'C', 'w', 'N', '7485', 'X', 'C', '2449', 'R', 'D', '2073', '6269']

14252625CwN7485XC2449R