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: 14, 21, ['Q', 't', 'q', '537', 's', 'g', '4573', 'A', '4551', 'j', 'P', 'u', '3533', '4675', '5429', '5041', 'n', '4875', '3111', '6853', 'P', 'c', '957']

467554295041n487531116853P