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: 5, 13, ['R', 'J', 'D', 'h', '8657', 'j', '1289', '9819', 'k', 'j', '4259', '4649', 'F', 'V', 'T', 'W', '521', '5257', 'u', '2511', '1047', 'I', '2907', 'W']

8657j12899819kj42594649F