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, 12, ['S', 'V', '7493', 'l', 'Q', 't', '9335', '9265', 'k', 'I', 'u', '8957', '2611', 'e', 'H', '9273', 'X', 'i', '843']

lQt93359265kIu8957