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: 6, 15, ['S', 'M', 'c', '2437', '5455', 'd', '8579', 'O', '5775', 'l', 'R', '5621', 'x', '6497', '5385', 'u', 'I', 'l', '7625', '3601', 'j', '5373', '3037', 'n', '2753']

d8579O5775lR5621x64975385