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: 5, 19, ['7557', '5421', 'L', 'Z', 't', 'e', '7057', '1351', 'l', '1777', '6285', 'L', '6415', 'n', 'E', 'Y', 's', '7899', '7117', 'z', 'N', 'r', '5495', 'M', 'r']

te70571351l17776285L6415nEYs78997117