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: 7, 12, ['1613', '9753', 'z', 'M', '6565', '7057', 'H', 'q', 't', 'u', 'B', '975', '813', 'f', 'b', '1129']

HqtuB975