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, ['149', '9767', '9241', '2519', 'J', '1985', 'x', 'A', 'H', '1961', '6961', 'T', '2519', '7839', 'K', '481', 'I', 'U', 'i', 'U', 'a', '883', '2445', 'C', 'w']

149976792412519J1985x