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:
3, 5, ['w', 'B', 'N', 'D', 'm']
answer:
NDm


question:
1, 4, ['8847', '6805', 'C', 'G', '7051', '3215', 'G', '2725', '1185', '1247', 'H', 'z']
answer:

88476805CG


