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: 19, 21, ['N', 'J', '9135', '1091', 'V', '5955', 'm', '5655', 'Q', 'E', '6015', '1011', 'Q', '3207', 'z', 'b', '4867', 'R', 'x', '4437', '7237', 'D', 'd', 'd', '3179']

x44377237