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, 17, ['6665', 'J', 'e', 'F', 'v', 'p', 'U', 'n', 'Z', 'q', '849', '5283', '2203', 'Z', 'O', 'T', 'Q']
answer:
eFvpUnZq84952832203ZOTQ


question:
4, 16, ['l', 'e', 'g', '1367', '835', 'P', '9523', 'X', 'O', '6423', 'A', 'w', '2597', 'K', '6123', 's', 'c']
answer:
1367835P9523XO6423Aw2597K6123s


question:
1, 7, ['5647', 'R', '9459', 'E', 'C', '7485', '6013']
answer:

5647R9459EC74856013