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, 8, ['19', '4575', 'E', 'x', '2013', '2509', '9347', 'H', '2709', '5473', '2845', 'K', 'o', '7575', '2477', 'W', '2087', 'R', 'T', 'T', 'R', 'p', 'm']

SOLUTION: 201325099347H

PROBLEM: 1, 2, ['2919', 'E', '7517', '6149', '8495', '2167', 'P']

SOLUTION: 2919E

PROBLEM: 15, 17, ['6953', 'X', '2313', '2829', '4619', 'G', 't', '2601', 'p', 'H', '5923', 'S', '461', '4667', 's', '9933', 'y', 'p', '4563', '3985', '8391', '61', 'X', 'X']

SOLUTION:
s9933y