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, 14, ['U', '2071', 'r', 'r', '2955', 'n', '7177', 'p', '3131', 'E', '4035', '263', 'c', '3407', 'E', 'j', 'K', 'C', 'b', '7409']

c3407