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: 15, 18, ['u', 'W', 'D', '607', '4111', '1207', 'N', 'T', 'Q', '7755', 'I', '9387', '6501', 't', '901', 'W', 'P', 'F', 'o', 'S', '6809', '1973', '3791', '8015', 'x', 'm', '4859', 'V', 'G']

SOLUTION: 901WPF

PROBLEM: 4, 5, ['187', 'k', 'X', '4759', 'G', 'm']

SOLUTION: 4759G

PROBLEM: 12, 15, ['W', 'c', '509', '9653', 'f', 's', '6871', '8581', 'b', '1845', 'A', '8341', 'N', 'n', '5437', '261', 'p', '905', 'p', 'L', 'i']

SOLUTION:
8341Nn5437