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: 8, 19, ['7545', '3943', '1369', 'T', '2633', '5507', '4131', 'H', 'k', '7385', '4049', '1207', 't', 'V', '8463', 'M', 'j', 'e', 'f', '8951', '1789', '4779', '7889', 'E', '9959', '4571']

Hk738540491207tV8463Mjef