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:
7, 8, ['1469', '2079', '643', 'i', '6567', 'B', '7849', '4007', 'x', '2863', 'N', '1279', '1271', 'p']
answer:
78494007


question:
2, 3, ['1211', 'B', '3591', '9293', '1455', 'o', 'O', 'D', 'g', 'F', 'e']
answer:
B3591


question:
10, 12, ['7161', '3977', '5693', '1425', 'b', '3157', '5455', '477', 'P', 'y', '963', '7057', '7023', '3269', '87', '3913', 'Y', 'T', 'S', 'F', '5373', 'V', '327', 'j', '8725', 'L', 'K', '1323', '6501', '2851']
answer:

y9637057