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: 2, 22, ['p', '7207', 't', 'M', 'C', '1779', 'F', '405', 'm', '2727', '339', 'P', '7507', '13', 'h', 'w', '5843', '2809', 't', '7197', '1999', '3607', 'H']

7207tMC1779F405m2727339P750713hw58432809t719719993607