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, 17, ['6665', 'J', 'e', 'F', 'v', 'p', 'U', 'n', 'Z', 'q', '849', '5283', '2203', 'Z', 'O', 'T', 'Q']

SOLUTION: eFvpUnZq84952832203ZOTQ

PROBLEM: 10, 12, ['2911', 'i', '1137', '3241', '3311', '4497', '4243', '5871', 'z', '3415', '8987', 'e', 's']

SOLUTION: 34158987e

PROBLEM: 2, 18, ['t', 'R', 'x', 'c', '4413', 'X', 't', 'I', '6461', 'o', '7313', '1375', '4567', '1967', '4495', '3873', 'L', '647', 'R', 'l', '1947', 'u', '5637', '9777']

SOLUTION:
Rxc4413XtI6461o731313754567196744953873L647