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:
9, 9, ['3149', '8605', '3995', 'R', '4511', 'W', '9457', 'P', '8439', '1467', 'Y', '7429', 'D', 'R', '4749', '3351', '2555', 'Q', 'F', 'u', '6815', 'B', '4005', '8113', 'A']
answer:
8439


question:
10, 11, ['7999', 'F', '7363', 'E', 'j', '825', 'i', 's', '5691', '1837', '6625']
answer:
18376625


question:
2, 9, ['1813', '3715', 'L', 'e', 'l', '2983', '4711', 'Q', '2095', 'm', 'A', 'i', 'y', '2727', 'V', '3645']
answer:

3715Lel29834711Q2095