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: 2, 4, ['8545', 'i', '2779', 'A', '3693', 'D', 'l', '6927', '3231', 'r', 'L', '3853']

i2779A