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: 1, 6, ['953', 'a', '9019', 'm', 'E', 's']

SOLUTION: 953a9019mEs

PROBLEM: 4, 10, ['C', '7103', '3123', '9575', 'y', '3583', 'm', '3311', '2453', '411', '5113', '6185', '7035', 'c', '2139', '6101', '8455', '4421']

SOLUTION: 9575y3583m33112453411

PROBLEM: 7, 10, ['z', 'K', 'j', 'J', 'j', '5325', '4941', 't', 'd', '671', 'Z', 'G', 'U', '5679', 'R', 'R', '5687']

SOLUTION:
4941td671