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: 5, 12, ['4173', 'b', 'b', 'W', '8469', 'G', 'V', 'Z', '6289', '6313', '3759', '4643', 'I', 'U', 'p', '8545', 'Y', '1819', 'D', 'z', '4875', '599']

8469GVZ6289631337594643