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, 2, ['1271', '8049', '3425', '1377', 'r', '4725', 'j', '3583', '2769', 'T', 'j']

SOLUTION: 12718049

PROBLEM: 16, 21, ['O', '951', '1431', 'c', '7377', '623', 'z', '6413', '6679', 'q', 'H', '8827', 'w', 'K', 'A', 's', 'f', 'S', 'i', 'j', '1941']

SOLUTION: sfSij1941

PROBLEM: 2, 2, ['X', '9043', 'G', '7949', '2483']

SOLUTION:
9043

