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:
6, 8, ['O', 'q', '4221', 'c', '8051', 'V', '639', 'E', 'X', '8367', 'g', 'K', '2951', '6485', '7635', 'q']
answer:
V639E


question:
3, 6, ['5163', 'Z', '4011', '8827', 'P', 'u', 'b', 'a', 'W']
answer:
40118827Pu


question:
15, 16, ['3083', 'q', '6921', 'r', '6775', 'N', '3253', 's', 'd', '5647', '3035', '1055', 'Z', '7637', 'X', 'g', '8157', '2219', '9025', 'm', '4235', 's']
answer:

Xg