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: 9, 20, ['d', 'U', 'P', '7047', 'I', 'y', '9165', 'h', '6157', '8681', '8041', 'U', 'f', '8327', 'W', 'W', 'n', '1081', 'L', '9879', 'p', '4585', 'A']

615786818041Uf8327WWn1081L9879