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, 1, ['8465', '3711', '3119', '3421', 'c', '3281', 't', '1883', 'a', 'b', '2931', 'v', '921', 's', 'j', 'M', 'G', '4385', '1507', '555', 'p', 's', '257', '2595', 'E', 'k', '8001']

SOLUTION: 8465

PROBLEM: 15, 20, ['E', 'V', '2589', 'r', '1501', '9699', 'K', 'S', '3971', 'k', '5743', '1525', 'c', 'O', 'X', 'i', '1863', '4295', 'M', '6309', '4975', '1663']

SOLUTION: Xi18634295M6309

PROBLEM: 3, 5, ['l', '2573', '7495', 'K', 'Z', '9575', 'h', 'Q']

SOLUTION:
7495KZ