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, 15, ['2749', '9509', 'E', '5053', 'r', 'm', '8155', 'n', 'W', '7209', 'c', 'q', 'L', '6181', 'I', '5349', '3425', '7439', '8203', 'E', '3143', 'y', 'y', '909', '8777', 'I', 'g', '4357', 'B', 'Q']

m8155nW7209cqL6181I