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:
5, 6, ['2089', 'P', '269', 'p', '8259', '813', 'F', '5565', 'o', '7119', '4345', '4491', '2621', '8299', 'K', '4817']
answer:
8259813


question:
10, 10, ['9399', 'p', 'p', 'z', 'E', '4885', 'D', '9037', 'p', '7147', '1835']
answer:
7147


question:
5, 5, ['121', 'U', 'q', '8797', '6925']
answer:

6925