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: 12, 27, ['7765', '1721', '3083', '2791', '8707', '5947', 'b', '3183', '1635', '9573', 'u', 'c', 'x', 'O', 'h', 'd', '6535', '2261', '4439', 'P', '8893', '2323', 'f', 'W', 'x', '5599', 'K', 'F', 'w', 'D']

cxOhd653522614439P88932323fWx5599K