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: 18, 19, ['Y', 'c', '8845', '1553', 't', '5659', '8029', 'C', 'Z', '7619', '6821', '6835', 'm', '9263', '9337', '117', 'n', 'v', 'S', 'u', 'N', 'q']

vS