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: 7, 10, ['R', 'x', 'q', '4193', 'b', '8551', '3581', 'u', '7519', '8773', '7877', '1069', '143', '2053', '1079', '1907', 'r', '9521', '7077', '4883', '7035', '9599', 'G']

3581u75198773