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:
9, 9, ['T', 'D', '4993', '1869', '4395', '4711', 'w', 'G', '8185', '4061', 'F', '5425', '3853', 'r', '213']
answer:
8185


question:
9, 11, ['6579', '2751', 'X', '4907', '1883', 'V', 't', 'O', '3449', 'U', 'r', 'm']
answer:
3449Ur


question:
2, 3, ['8963', 'R', '5455', '2029']
answer:

R5455