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, 26, ['4409', '3509', 'X', '5247', 'Y', '8293', 'U', 'r', 'm', 'W', 'V', '1957', '9837', '995', '691', '3855', '2711', 't', 's', 'e', 'A', 'V', 'J', '9425', 'n', 'X', 'j', '6901', '2617']
answer:
69138552711tseAVJ9425nX


question:
5, 27, ['n', 'C', 'w', 'i', 'p', 'W', '5785', '2765', '8719', 'I', '11', '1689', '2671', '2819', '8535', 's', 'r', 'f', 'K', 'q', '3009', 'h', '3317', '871', '4677', '2269', '7275']
answer:
pW578527658719I111689267128198535srfKq3009h3317871467722697275


question:
8, 18, ['i', '6677', '5853', '393', '4989', '8591', '2579', '5829', '6567', '4395', 'U', '7443', 'a', 'e', '7223', '5477', '8895', 't', '1823', '9965', '7387', 'l', 'B', 'N', '5157', '5473', 'a']
answer:

582965674395U7443ae722354778895t