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: 15, 20, ['V', 'W', '4177', '5501', 'X', '7505', 'o', 'b', 'T', '6493', 'I', 'B', 'L', 'c', 'u', 'D', 'P', 'M', 'F', 'n', '8853', 'O', 'H', 'A', 'q']

uDPMFn