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: 16, 19, ['9169', '6227', '3993', 'G', '3063', '5221', '6799', 'x', 'c', '2961', '4251', '7903', 'i', '8341', '6161', 'c', 'Z', '7881', 'h', 'e', 'j', '3157', 'K', '4471', '8673', 'b', '4261', 'O', 'm', '6025']

SOLUTION: cZ7881h

PROBLEM: 22, 25, ['Y', '9377', '31', '9889', 'Q', 'h', 'y', 'S', 'o', '9783', 'z', '1111', '865', '2627', 'H', 'M', 'J', 's', '9185', '9221', 'e', 's', '2187', '273', '2575', 'L']

SOLUTION:
s21872732575