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: 3, 7, ['B', '8877', '8119', '9961', '5497', 'T', 'n', '9235', 'c', 'K', 'p', 'R', '8441', '5043', 'm', '9637', 'q', '2397', '7045', 'q']

811999615497Tn