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, 4, ['I', 's', 'd', '7253', '4377', '691', '4419']

SOLUTION: sd7253

PROBLEM: 12, 15, ['x', '2195', 'c', '2471', 'h', 'G', 'o', 'H', '6183', 'w', 'r', 'c', 'F', 'u', '7549', '7451', '8411', '3299']

SOLUTION: cFu7549

PROBLEM: 4, 6, ['z', '9999', '3015', 'n', 'P', '437', 'M', 'j']

SOLUTION:
nP437