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, 19, ['d', 'j', 'l', 'U', '9519', '2483', 'y', 'j', '7215', '5403', '8545', '4257', 'R', '8373', '3061', '2477', '1273', 'b', 'R', '6639', 'm', 'T', 'N']

R