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: 3, 4, ['o', '9787', '2705', 'u', '2699']

SOLUTION: 2705u

PROBLEM: 12, 27, ['6653', 'w', '45', 'k', 'w', '8859', '239', 'F', '3285', 'N', 'I', 'E', 'H', '1421', '4415', 'v', '4387', 'j', '9495', '471', '7411', 'V', '7821', 'N', '5641', 'n', '9403']

SOLUTION: EH14214415v4387j94954717411V7821N5641n9403

PROBLEM: 1, 4, ['4253', 'A', '5029', '6909', '1487', '1205']

SOLUTION:
4253A50296909