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: 10, 17, ['F', '7451', '4325', '8971', '2409', '8467', '9033', '8259', '4671', 'C', 'Z', '677', 'v', '2159', '8947', '9997', 's', '4691', 'W']

CZ677v215989479997s