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: 1, 20, ['6033', '261', 'q', '6827', '3163', 'k', 'U', '3789', 'y', '201', '7597', '1651', 'm', '7865', 'l', '4691', '9295', '3971', 'E', 'B', 'q', '7637', 'e']

6033261q68273163kU3789y20175971651m7865l469192953971EB