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: 2, 4, ['5237', 'X', '1691', '5405']

SOLUTION: X16915405

PROBLEM: 10, 11, ['g', 'H', 'O', 'y', 'd', 'U', 'K', 'I', '2231', '6271', 'U']

SOLUTION: 6271U

PROBLEM: 9, 15, ['o', 'e', '1475', '7355', '7447', 'a', 'n', '4541', '9091', '889', '5981', '6753', 'X', '3895', '3027', 'E', '1837', 'n', 'M']

SOLUTION:
909188959816753X38953027