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, 6, ['519', 's', '1099', 'y', '3027', 'D', '5489', '6563', 'F', '4329', '2253', 'N']

SOLUTION: 519s1099y3027D

PROBLEM: 10, 19, ['T', '8237', 'X', '9029', 'D', '8639', '6875', 'V', '6311', 'v', '2085', 'E', '9863', 'R', '2665', 'Q', '75', '6521', '3553']

SOLUTION: v2085E9863R2665Q7565213553

PROBLEM: 4, 19, ['2881', '5701', '9823', '2255', '7491', 'B', '4457', 'T', 'P', '6945', 'N', 'a', '3135', 'i', '3653', '2477', '9119', 'b', 'x', 'Y']

SOLUTION:
22557491B4457TP6945Na3135i365324779119bx