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, 5, ['951', '6733', 'g', '1119', 'U', '4025']
answer:
g1119U


question:
1, 1, ['W', '6149', 'B', 'w', 'd', 'o', '2069', '1509']
answer:
W


question:
16, 18, ['8747', 'S', '7275', 'J', '3539', 'B', '8353', 'B', '6917', 'N', '5873', '5989', '2533', 's', 'D', '2239', '4211', 'o']
answer:

22394211o