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: 12, 15, ['9349', 'l', 'n', '5081', '3021', 'a', '917', '6671', 'Q', '4033', 'v', 'i', 'k', '539', '1413', 'X', '7405', 'S', 'J', '6503', '4311']

SOLUTION: ik5391413

PROBLEM: 7, 8, ['9131', 'a', '1233', 'B', '2501', 'b', '7551', '3155', 'K', 'K', '2205', 'H', '2059', '6079', '6225', '9781', '5759', 'a', 'W', '8557', 't', 'j']

SOLUTION: 75513155

PROBLEM: 16, 23, ['l', '7471', 'j', 'p', '5669', '8899', 'C', '3945', 'k', '4205', 'l', 'P', 'p', 'A', 'A', '7849', 'B', 'p', 'B', '4203', '7563', 'R', 'F', '1179']

SOLUTION:
7849BpB42037563RF