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, 7, ['U', '9269', 'Q', 'o', 'a', 'j', 'i', '6307', '7961', 'o', 'e', 'u', 'N', '3133', 'Q', 'u', '6941', 'f', 'U', '5061', '8263', '5989', 'J', '1519', '4669', '8213', 'x', 'L', '5309']

U9269Qoaji