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: 9, 11, ['6433', 'x', '3967', 'K', 'j', 'U', '5321', 'a', 'B', '2757', 'N', 'E', 'q', '8761', '9679']

B2757N