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: 6, 18, ['T', 'f', 'V', 'M', 'F', 'i', '8951', 'u', 'H', 'I', '8981', '4323', 'E', 'f', '5047', '7567', 'P', 'R', 'j', 'L', 'K', 'H', '8697']

i8951uHI89814323Ef50477567PR