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, 6, ['5131', '1157', 'L', '2485', 'Z', 'a', '6893', '7895', '4665', '5877', '5131', 'Z', 'l', '2887', '9777']
answer:
2485Za


question:
5, 16, ['4857', 'c', 'a', '8757', '5345', 'k', 'n', '4579', 'N', 'b', '2307', 'e', 'V', '6941', 'i', '9495', '4431', '3791', '9647', '7883']
answer:
5345kn4579Nb2307eV6941i9495


question:
6, 15, ['u', '5099', 'P', '8617', '3125', 'z', '5667', 'y', '2163', '5671', 'L', '2873', '8513', 'M', 'Z', '1609', 'l', '3381', '9379', '9799', '7513']
answer:

z5667y21635671L28738513MZ