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:
17, 22, ['2153', 'N', 's', 'P', '5243', '7853', '2651', '7401', '7569', '7435', 'W', 'L', '7365', '5215', '5665', 'C', 'e', 'k', '7517', 'E', '9439', '9005']
answer:
ek7517E94399005


question:
2, 10, ['z', '277', 'x', '1799', '5877', '9249', 'x', '6297', 'r', '9315', 'z']
answer:
277x179958779249x6297r9315


question:
14, 21, ['Q', 't', 'q', '537', 's', 'g', '4573', 'A', '4551', 'j', 'P', 'u', '3533', '4675', '5429', '5041', 'n', '4875', '3111', '6853', 'P', 'c', '957']
answer:

467554295041n487531116853P