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, 7, ['4975', 'a', '4411', 'R', 'E', '1099', 'v', '8849', '4809', '9061', 'k', 'c', 'H', '1595', '803', 'b', '4975']

SOLUTION: a4411RE1099v

PROBLEM: 3, 10, ['f', '2411', 'a', '8195', 'p', '6939', 'S', 'S', 'U', 'n', '3095', '8453', '4115', '6413', '8865']

SOLUTION: a8195p6939SSUn

PROBLEM: 1, 4, ['1139', 'L', '2531', 'F', '7907', '8623', 'W']

SOLUTION:
1139L2531F