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: 9, 19, ['2139', '6849', 'b', '9459', 'v', 'h', 'i', '7977', 'q', 'Z', '7577', 'P', '9971', 'c', '567', 'J', '693', 'N', 'r']

SOLUTION: qZ7577P9971c567J693Nr

PROBLEM: 9, 11, ['6579', '2751', 'X', '4907', '1883', 'V', 't', 'O', '3449', 'U', 'r', 'm']

SOLUTION: 3449Ur

PROBLEM: 1, 8, ['3509', '3629', 'G', '81', 'h', 'o', '7', 'g', 'T', 'h', '4353', '1361', 'F', 'M', 'x', 'j', '8675', 'J', 'x', '2147']

SOLUTION:
35093629G81ho7g