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: 6, 10, ['2437', 'n', '5307', '3503', 'l', 'e', '3037', '4389', '5773', 'd', 'a', 'V', 'U']

SOLUTION: e303743895773d

PROBLEM: 1, 3, ['n', 'Q', '8725', '3893']

SOLUTION: nQ8725

PROBLEM: 2, 5, ['k', 'u', 'L', 'v', '4757', 'x', 'y']

SOLUTION:
uLv4757