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:
10, 11, ['n', '8775', 'd', '9955', '2443', '7093', 'C', 'W', '3409', 'y', '7137', 'E', '6055', 'P', 'x', 'E', 'K', '2607', '1935', 'C', 'l', 'q', 'S']
answer:
y7137


question:
4, 8, ['G', 'f', 'x', 'd', '723', 's', 'J', '5709', 'Q', 'K', '4341', '3731', '3705', 'g', 'c', 'u', 'j', '861', '3793', '8695']
answer:
d723sJ5709


question:
7, 8, ['n', '6971', 'F', '9665', 'e', 'n', 'x', '2809', 'x', '8005', '2355', 'O', 'T', '5403', '2809', 's', '6449']
answer:

x2809