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: 16, 23, ['6007', 'O', 'I', '3245', '2793', 'n', '191', 'r', 'G', '1545', '233', '4049', '1977', 'd', 'f', 'u', '1963', 'e', 'd', 'o', '3975', '681', '967', 'F', '3355', 'C', 'P']

u1963edo3975681967