instruction:
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.
question:
7, 8, ['8843', '5431', 'X', 'g', '9661', 'x', '4869', '7651']
answer:
48697651


question:
1, 3, ['1963', '8375', 'l', '2629', '2987']
answer:
19638375l


question:
6, 23, ['941', 'o', '2973', 'W', 'A', 'U', '4543', 'k', 'a', 'F', '1077', 'f', 'G', 'J', 'E', '2349', '6481', 'J', 'a', '1665', 'Y', '429', 'm', '2183', 'b', '9349', 'J', '547', 'G']
answer:

U4543kaF1077fGJE23496481Ja1665Y429m