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:
21, 24, ['F', '9793', 'R', '7633', '6831', 'P', '4285', '7887', 'H', '307', '4865', 'M', '4521', '565', 'e', 'i', 'f', '8845', 'T', 'N', '3485', 'n', '1731', '4963', 'Y', '7493']
answer:
3485n17314963


question:
15, 18, ['9781', '4365', '6517', 'u', 's', '9177', '8749', 'V', 'w', 'M', '5559', '5421', 'R', 'N', 'I', '5705', 'w', '5821']
answer:
I5705w5821


question:
5, 9, ['J', '3887', 'j', '8923', 'Z', 'j', '2609', '7663', 'a', 'C']
answer:

Zj26097663a