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, 13, ['9669', '7783', 'M', 'Q', 'U', '3521', '9305', 'X', 'd', '7401', '4845', '9237', 'P', 'o', 'O']

SOLUTION: U35219305Xd740148459237P

PROBLEM: 1, 3, ['2415', '319', 'S']

SOLUTION: 2415319S

PROBLEM: 11, 17, ['z', 'X', 'C', '3955', 'L', 'S', 'g', 'n', '9447', 'D', '3343', '7799', 'd', '1973', '5523', '4995', 'b', 'K', 'V', 'm', 'x', '1449', 'g', 'Z', 'N']

SOLUTION:
33437799d197355234995b