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: 17, 21, ['g', 'w', 'e', 'C', '6703', 'E', 'K', 'k', 'T', '3315', '6781', 'n', '3865', 'p', '5363', '4513', '4319', '8083', 'L', 'l', '2383', 'u', 'F', 'I', '3411', '6725']

43198083Ll2383