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.
--------
Question: 2, 7, ['5731', 'm', 'W', '5389', 'N', '4987', 'c', '3871', 'T']

Answer: mW5389N4987c


Question: 2, 16, ['5271', 'H', 'z', 'M', '2793', 'h', 'C', 'J', '3517', 'Q', 'R', 'm', 'j', 'p', '1461', 'U', 'Q', 'P', '7079', '4695', '4029', '8635', 'x']

Answer: HzM2793hCJ3517QRmjp1461U


Question: 3, 20, ['L', '5243', '901', 'V', 't', '7203', 'Q', '5859', 'z', '275', 'D', 'g', 'C', '343', '1033', '2975', '6079', 'P', 'Y', '603', 'V', '8675']

Answer:
901Vt7203Q5859z275DgC343103329756079PY603