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: 13, 18, ['D', 'W', 'R', '1811', '7545', 'E', 'n', '9443', '1245', '1923', '1173', 'I', '5479', '687', '5983', '9817', '3509', 'g', '9295', '5785']

5479687598398173509g