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, ['N', '1833', 'B', '5201', '7027', 'U', '581', 'y', '4939', '9907', 'w', 'o', 's', 'h', '9693', 'a', 'i', '8993', 'f', '1619', '6257', '6279', 'W', '3037', 'E']

SOLUTION: B52017027U581y49399907wosh9693ai8993f161962576279W

PROBLEM: 1, 15, ['F', '6719', '7233', '4085', 'Q', 'N', '3827', '9487', 'o', '2955', '3199', '6321', 'R', '1021', 'u', 'k', '9039', 'k', 'c', '1197', '805', 'f', '5155', 'P', 'm', '6037', 'J', '6089', 'W', 'N']

SOLUTION: F671972334085QN38279487o295531996321R1021u

PROBLEM: 2, 15, ['g', 'N', 'd', '4363', 'M', 'G', 'z', 'A', '5335', '3399', '4825', '4587', 't', '4657', '6485', '4271']

SOLUTION:
Nd4363MGzA5335339948254587t46576485