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: 7, 11, ['E', 'u', '3839', '5321', '7869', '3769', '1505', '5633', 'Q', '9355', '2149', '4781', 'r', '117', 'V', 'S', 'V', 'e', 'y', 'M', '5143', '6727']

15055633Q93552149