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:
4, 27, ['u', '7157', 's', 'H', '9231', '5861', '6433', '1059', '887', 'm', '9571', '2873', '2305', 'y', '1171', '3205', '321', '3299', '2217', 'I', '701', '8243', 'b', '627', '2531', '4151', 'B', 'G']
answer:
H9231586164331059887m957128732305y1171320532132992217I7018243b62725314151B


question:
6, 18, ['1583', 'k', '8481', 'W', 'E', 'M', 'b', 'N', '3573', 's', '4401', 'g', 'Z', '5311', 'j', '1747', '5435', '4135', '5195', '8781', '3313', '4065', 'N', 'I', '9645', '3581', 'Q', 'u']
answer:
MbN3573s4401gZ5311j174754354135


question:
4, 4, ['F', 'Y', '5407', 'J', 'Y', 'O', '331', '1257', 'h', 'b', '4921', 'B', 'n', 'P', 't', 'w', '2585', 'D', '4523']
answer:

J