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: 4, 12, ['4237', '7241', 'T', 'b', '3547', '7511', '7521', 'e', '9233', '6883', 'L', 'N']

b354775117521e92336883LN