TASK DEFINITION: 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.
PROBLEM: 12, 16, ['9817', '9893', 'l', 'T', '8795', '3105', '4445', 'l', '4467', '3803', '5', '201', '7049', '3157', '1717', 'd', 'c', '9797', 'm', '3219']

SOLUTION: 201704931571717d

PROBLEM: 10, 11, ['g', 'H', 'O', 'y', 'd', 'U', 'K', 'I', '2231', '6271', 'U']

SOLUTION: 6271U

PROBLEM: 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']

SOLUTION:
I5851M74279069507t98231015v383520153625F