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, 16, ['b', '5673', '451', '4243', 'd', 'Z', '3537', '5655', '2661', 'K', '8859', 'j', '7961', '429', 'g', '817', 'D', '2385']

g817