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: 1, 3, ['1963', '8375', 'l', '2629', '2987']

SOLUTION: 19638375l

PROBLEM: 13, 19, ['N', 'T', '1173', '3569', '8835', '1881', 'q', '9183', 'a', 'b', 'm', 'H', 'e', '4919', '6369', '4213', '9469', '8217', '9333', '8177', 'H']

SOLUTION: e491963694213946982179333

PROBLEM: 1, 1, ['8853', 'f', '7797', 'H']

SOLUTION:
8853