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, ['c', 'M', '7249', 'o', '6001', '8291', '8355', '2451', 'Z', 'v', 's', 'P', 't', 'I', '1487', '5755', 'p', '407', '6163', '2109', '2637', '1877', 'm']

I14875755p407616321092637