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: 10, 19, ['Q', 'I', 'U', 'y', '7999', '11', '4375', '1569', 's', '9363', 'P', 'b', '7707', 'Z', 'y', 'J', '8809', '9635', '6645', '8327', 'Q', 'I', '1361', 'F', '3667', '7061', 'A', '8379', '7665', '3825']

9363Pb7707ZyJ880996356645