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.

1, 2, ['M', 'G', '8763', '6617', 's', 't']
MG

1, 3, ['1963', '8375', 'l', '2629', '2987']
19638375l

6, 8, ['x', 'B', '7605', 'W', '5133', 'A', 'k', 'L']

AkL