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, 3, ['A', '2469', 'L']

SOLUTION: L

PROBLEM: 10, 10, ['9399', 'p', 'p', 'z', 'E', '4885', 'D', '9037', 'p', '7147', '1835']

SOLUTION: 7147

PROBLEM: 2, 7, ['f', 'i', 'o', 'R', 'U', 'B', 'F', 'Y']

SOLUTION:
ioRUBF

