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, 3, ['7719', '9047', '1819', '4855', 'h', '1923', 't', 'p', '3821', 'R', '7621', 'F', 'n', '2687', 'T', 'E', '151', '9639', 'N', 'W', '273', '2071']

771990471819