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, 19, ['8815', '6177', 'S', 'l', 'x', '7641', 'U', '1325', 'n', '4327', 'i', '5711', 'L', 'D', '609', '765', 'G', '5897', '7205', '1343']

x7641U1325n4327i5711LD609765G58977205