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, 23, ['F', 'e', 'l', 'V', 'n', '9637', '4113', 'X', 'Z', '9793', 'q', 'x', 'y', 'r', '6521', 'W', 'r', '6311', '5247', 'u', 'J', 'I', '449', '6739', '265', 'b']

5247uJI449