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:
3, 17, ['6665', 'J', 'e', 'F', 'v', 'p', 'U', 'n', 'Z', 'q', '849', '5283', '2203', 'Z', 'O', 'T', 'Q']
answer:
eFvpUnZq84952832203ZOTQ


question:
7, 20, ['M', 'w', '4271', 'S', 'N', '2229', 'I', '5851', 'M', '7427', '9069', '507', 't', '9823', '1015', 'v', '3835', '2015', '3625', 'F', '9195', 'V', '3613', '6431', '3293', '2945', '4373', '2835', 'J']
answer:
I5851M74279069507t98231015v383520153625F


question:
3, 18, ['D', '1251', '7683', '1491', '8717', 'x', 'J', 'F', '8545', 'J', 'C', '3915', 'x', '4157', '2247', '2613', 'v', '9347', '7807', '6061', '8817', 'Y', 'O']
answer:

768314918717xJF8545JC3915x415722472613v9347