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, 13, ['K', 'O', 'I', '5587', '2301', '5083', '6683', '1973', 'r', 'S', 'Q', 'B', 'q', '1845', 'z', '8501']

SOLUTION: KOI55872301508366831973rSQBq

PROBLEM: 4, 13, ['O', 'J', '303', '8511', 'M', '8063', '3389', '9473', 'c', '4853', 'L', 'm', 'b']

SOLUTION: 8511M806333899473c4853Lmb

PROBLEM: 11, 13, ['8399', 'L', '2635', 'a', 'R', 'y', 'm', '9077', '1397', 'x', '1211', 'Z', 'o']

SOLUTION:
1211Zo