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: 14, 20, ['5499', 'J', 'a', '4967', '5965', 'F', '6405', '67', 'z', 'K', 'y', 's', 'j', 't', 'U', 'M', '6693', 't', '6399', 'q', 'q', 'L', '6331', 'F', '6563', 'f', '9101', '7573']

tUM6693t6399q