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: 6, 7, ['5491', 'o', '6309', 'O', 'L', 'B', 'y', '5305']

SOLUTION: By

PROBLEM: 5, 7, ['r', '5119', 'd', 'h', '433', 'S', '5415', '7111', '9831', '1611', '3827', 'o', '2181', '819', '449', '5289', '6979', 'D', '9025', '901', '9319', '8035', 'j', '241', 'H']

SOLUTION: 433S5415

PROBLEM: 10, 21, ['M', '6149', '7521', 'B', '2055', 'D', '4137', 'S', '9051', 'h', 'R', '7203', '9315', '4605', 'R', '2123', 'd', 'S', 'L', 'u', 'N']

SOLUTION:
hR720393154605R2123dSLuN