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: 5, 13, ['G', '4913', 'i', 'b', 'Q', '6937', '4251', 'Z', '535', '5563', 'x', '4813', '363', '1985', '3913', 'w', 'o', 'U', 'y']

SOLUTION: Q69374251Z5355563x4813363

PROBLEM: 1, 2, ['N', '1743', 'w']

SOLUTION: N1743

PROBLEM: 9, 13, ['9663', 'Z', 'D', '3845', '3887', 'e', '847', '9107', '6315', '299', 'G', 'g', 'F', '4973', '3921']

SOLUTION:
6315299GgF