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:
14, 19, ['r', '7583', 'd', 'I', 'n', '2281', '4977', '3473', '7677', '649', '2005', 's', '7207', 'W', 'f', '9103', 'j', 'j', '7643', 'x', '8397', '4873', '6261', 'n', 'r', '9059', '2375']
answer:
Wf9103jj7643


question:
1, 2, ['1271', '8049', '3425', '1377', 'r', '4725', 'j', '3583', '2769', 'T', 'j']
answer:
12718049


question:
8, 12, ['j', 'F', '5867', '1781', 'y', 'T', '4145', '3571', 'F', 'K', 'x', 'K', 'E', '8487', '4319', 'B', 'P', 'R']
answer:

3571FKxK