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, 15, ['1833', 'D', 'i', 'i', 'O', '4545', '133', '689', 'B', '9483', 'J', 'o', '4723', '6907', '3511', '3375', '7269', '545', 'C', '5563']

SOLUTION: iiO4545133689B9483Jo472369073511

PROBLEM: 17, 19, ['5683', 'y', 'r', '4601', 'a', 't', 't', 'l', 'F', '227', '8869', 'J', 'X', 'a', '3967', 'm', 'j', '6669', '2221']

SOLUTION: j66692221

PROBLEM: 3, 18, ['5143', 'g', '3719', 'E', '9337', 'E', 't', 'y', 'C', 'I', 'v', '9861', 'A', '6939', 'X', 'v', '41', '2671', 'r', 'g', '4043', '2601', '7441']

SOLUTION:
3719E9337EtyCIv9861A6939Xv412671