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: 1, 4, ['6815', '1089', 'E', '6109', 'y', 'B', 'q', 'X', '1959', '8539', 'm', '7637']

68151089E6109