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.
Input: 18, 19, ['1549', '5859', '7035', '101', 'P', 'Y', 's', '7621', 's', '651', '563', '1149', 'm', '7271', '4801', '8823', '2859', 'A', '1703', '3959', 'j', '7175', '4389', '4837', '1601', 'P', '4711', '6541']

A1703