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: 10, 18, ['j', 'O', 'L', 'l', '3115', '9199', 'n', 'K', 'm', 'p', 'u', '8967', '8749', 'f', 'y', '9077', '7329', '4765', 'H', '2763', '1563']

pu89678749fy907773294765