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: 1, 2, ['i', '8137', '603', 'R', '8825', 'g']

SOLUTION: i8137

PROBLEM: 2, 9, ['K', 'B', 't', '8137', '7741', '169', '7603', 'A', '3315', 'E', 'T', 'S', '7873', 'L']

SOLUTION: Bt813777411697603A3315

PROBLEM: 1, 2, ['f', '2087', '5237', '103', '6285', '2523', 'h', 'z', 'r', 'q', '7601', '209', '6639', '6629', '5403', '1241', '4581', '8023', '6741', 'i', '8333', '8885']

SOLUTION:
f2087