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: 1, 8, ['131', 'M', '8275', '7013', '4435', '4709', '7745', 'm', 'k', 'l']

SOLUTION: 131M82757013443547097745m

PROBLEM: 5, 8, ['4303', '1309', 'F', '2197', '3685', 'u', '827', 'p']

SOLUTION:
3685u827p