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, 19, ['w', 'w', 'C', '8571', '7565', '7299', 'e', 'Y', '4113', 'I', '3435', 'R', '5171', '5231', 'Q', '4559', 'q', '9743', 'g', '4405']

SOLUTION: wwC857175657299eY4113I3435R51715231Q4559q9743g

PROBLEM: 1, 5, ['3123', '67', '6019', '9385', '8251', 'b', 'D', '4957', 'u', '2091']

SOLUTION: 312367601993858251

PROBLEM: 2, 3, ['J', 'w', 's']

SOLUTION:
ws