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: 1, 14, ['D', 'K', '7945', 'D', 'Q', 'u', '8025', '4107', 'Q', 'z', 'e', 'a', 'Q', '17', '4101', 'A', '6539', '203', '3087']

DK7945DQu80254107QzeaQ17