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: 19, 21, ['7199', '3705', 'U', 'p', '1641', '1241', '747', '8269', '6587', '3163', '3425', '8845', '8037', 'h', '6037', '6273', 't', '4817', 'h', '5769', '8909', '9083', 'Y', 'W', '4423', '8595', '1449']

h57698909