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, 6, ['P', 'i', 'b', 'e', '3967', 'L']

SOLUTION: Pibe3967L

PROBLEM: 6, 9, ['7139', 'Z', '4407', '9791', 'F', '139', '4927', 's', '4721', 'Y']

SOLUTION: 1394927s4721

PROBLEM: 1, 17, ['f', 'n', 'Q', 'H', 'r', 'm', '2313', '5497', '4833', '6293', 'V', 'l', '3501', 'V', '3231', '6279', '7207', '1025', 'G', '9931', 's', 'a', 'G']

SOLUTION:
fnQHrm2313549748336293Vl3501V323162797207