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: 10, 12, ['u', '7743', 'Z', 'V', '8631', 'F', 'P', '3467', 'o', '8703', '2825', '4443', '7741', '2589', 'm', '1685', '5783', '2953']

870328254443