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: 2, 19, ['1769', 'Y', '2097', 'k', 'E', 'G', '2825', 'c', '5271', 'v', '111', 'A', 'W', 'P', '2873', '9583', '3665', '835', '1181']

Y2097kEG2825c5271v111AWP2873958336658351181