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:
14, 15, ['8927', 'K', 'O', 'l', 'p', 'L', '8163', 'Q', '4683', '7603', 'M', 'T', '1239', '5867', 'L', '8265', 'F', '6653', 'I', 'S']
answer:
5867L


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


question:
3, 4, ['8767', 'I', 'S', '1191', 'W', 'y', 'F', 'M', 'E', 'Z', 'Q', '757']
answer:

S1191