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

901Vt7203Q5859z275DgC343103329756079PY603