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:
3, 13, ['l', '6081', 'x', 'n', 'q', 'B', '5671', 'T', 'd', '2361', 'Y', 'B', 's', '3301', 'p', '7633', 'j', '9705', 'd', 'J']
answer:
xnqB5671Td2361YBs


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


question:
17, 20, ['2663', '3821', '981', 'b', 'c', '5415', 'f', 'C', '3939', 'F', 'K', 'V', 'X', '9075', 'd', 'R', 'J', '6009', 'G', 'm', '5365', '9055', '9289', '4857', 'p', 'w', 'm']
answer:

J6009Gm