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:
6, 10, ['2437', 'n', '5307', '3503', 'l', 'e', '3037', '4389', '5773', 'd', 'a', 'V', 'U']
answer:
e303743895773d


question:
6, 8, ['R', '5033', '8501', '6619', 'b', '4779', 'r', '9139', 'I', '8699', '113', '6799', 'q', 'U']
answer:

4779r9139