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: 15, 18, ['3665', '8799', 'M', '7717', '3221', '1957', '7631', '5299', '2455', '9331', 'N', '5847', '3955', 'W', 's', 'c', '3801', '733', 'u', 't', 'c']

SOLUTION: sc3801733

PROBLEM: 4, 17, ['1031', 'C', 'O', '3105', 'z', 'd', 'x', 'R', 'C', 'v', 'F', '4295', 'w', 'z', '3621', '7481', '5521', '8895', 'w', '8095', 'Q', '1719']

SOLUTION: 3105zdxRCvF4295wz362174815521

PROBLEM: 4, 11, ['7899', '427', '1187', 'W', '1393', 'f', 'N', '5997', 'V', '7329', 'u', '2199', 'Z', '8497', 'D', 'j', 'g', 'u', '3443']

SOLUTION:
W1393fN5997V7329u