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:
2, 17, ['5049', 'L', 'l', 'b', '5473', '9143', 'd', 'l', '4337', 'e', 'G', '5631', '7089', '2629', '3987', '8197', 'c', '8111', '1897', 'b', '1519', '2185', '8841', '7507']
answer:
Llb54739143dl4337eG56317089262939878197c


question:
1, 3, ['3025', 'f', '3847', '3837', 'x', '2207', '2347', '1087', 'd', '2179', '9661', 'O', 'c', 'b', 'S', 'Q', '223', '6749', 'p', 'M', 'E', 't']
answer:
3025f3847


question:
2, 3, ['6637', '1833', 'j']
answer:

1833j