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: 2, 6, ['1617', '33', 'R', 't', 'B', '6743', '8773', 'o', 's', 'G', 'J', 'M', 'P', '291', '201', 'C']

33RtB6743