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:
15, 16, ['477', 'w', '3757', '153', 'F', '8237', 'T', 'F', '6691', '4859', '4421', 'r', 'U', 'O', 'e', '3579', '589', 's', 'Q', 'h', '9889', '5355']
answer:
e3579


question:
1, 4, ['5373', '6833', 'R', '961', '7647', 'M', 'b', 'u', '59', 'y', '2869', 'H', '1291', 'o', 'O', '7231', '3891', 'Z', '2063', 's', 'y']
answer:
53736833R961


question:
2, 5, ['Q', '2099', 'd', 'c', 'h']
answer:

2099dch


