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: 7, 10, ['7021', 'Q', 'V', 'R', '2147', '5049', 'X', '4835', '2805', 's', 'H', 'f', 'c', 'a', '7629', 'd', 'W']

X48352805s