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: 1, 10, ['f', 'H', '6187', '2157', '3655', 'o', '1027', '1677', '5505', 'F', 'S', 'x', '3767', 'z', 'R', 'r', '3543', '7517']

fH618721573655o102716775505F