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, 5, ['W', 'F', 'J', '7019', '4221', '9765', '3757', '6747', 'i', 'e', 'R', 'N', '6331', 'C', '3291', 'Z', 'a', 'f', 'Y', '5667', '1009']

SOLUTION: WFJ70194221

PROBLEM: 7, 10, ['i', '6555', 'N', '2211', 'a', 'E', '8595', '581', '9981', 'g']

SOLUTION: 85955819981g

PROBLEM: 1, 3, ['O', 'Z', '7013', 'l', 'z', '6009']

SOLUTION:
OZ7013