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: 3, 12, ['i', 'T', '5733', '851', 'v', 'U', '6993', '7781', 'B', '5461', 'G', 'O']

SOLUTION: 5733851vU69937781B5461GO

PROBLEM: 7, 7, ['3713', 'Y', 'Q', 't', 'a', '1235', 'f', '1953', 'B', '2695', 'I', '2265']

SOLUTION: f

PROBLEM: 6, 18, ['9259', '3643', '7469', 'a', '6471', '2823', 'I', '6983', 'V', '9529', 'P', '8689', '2655', '4267', '7031', 'c', 'Y', '8191', '6947', '8277', 'i', '6207', '1197']

SOLUTION:
2823I6983V9529P8689265542677031cY8191