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, 10, ['6519', 'v', '6097', 'U', 'O', '7', '3189', 'm', 'f', '817', 'K', '905']

6097UO73189mf817