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: 3, 23, ['C', 's', 'j', 'P', 'O', '6289', 'U', '1031', 'c', 'b', '8547', 'b', '9001', '7117', '7107', 'g', '6091', '7525', '7209', '2819', 'f', 'z', '4449', 'N', '4849']

SOLUTION: jPO6289U1031cb8547b900171177107g6091752572092819fz4449

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: 2, 3, ['k', 'p', 'P', '5521', 'z', '2137', '8647', '8629']

SOLUTION:
pP