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: 2, 4, ['i', '2353', 'A', 'm', 'K', '3203', '287', 'm', '5713']

SOLUTION: 2353Am

PROBLEM: 11, 21, ['8339', 'U', 'p', '9819', '943', 't', 'U', '825', 'p', '3099', 'k', '5813', '1005', '4977', 'y', '8777', '1159', 'x', '9653', '5159', 'S', 'X', '7493', '1045', 'I', 'n']

SOLUTION: k581310054977y87771159x96535159S

PROBLEM: 2, 12, ['8191', '3229', '1347', 'w', '9519', '6407', 't', '1373', '8657', '61', '6761', 'P', 'E', 'm', '3017', '1451']

SOLUTION:
32291347w95196407t13738657616761P