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: 6, 11, ['1445', '9509', '1025', 'u', 'A', '6243', '6899', 's', '3059', 'b', '7233', 'I', '5403']

62436899s3059b7233