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:
2, 6, ['1617', '33', 'R', 't', 'B', '6743', '8773', 'o', 's', 'G', 'J', 'M', 'P', '291', '201', 'C']
answer:
33RtB6743


question:
12, 14, ['G', 's', '6511', '8053', '985', 'D', 'i', '8803', 'U', 'Q', '9633', 'I', 'M', '2937', '4257', '6545']
answer:
IM2937


question:
9, 17, ['1837', 'I', 'R', '9255', 'j', 'R', '831', 'W', 'Y', 'q', 'w', '4657', 'W', '421', 'l', '5431', 'a', 'S', '9171', '1539', 'V', '2183', '965', '1291']
answer:

Yqw4657W421l5431a