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: 5, 19, ['6225', 'N', '531', 'p', 'u', '2951', 'q', 'k', '8515', 'g', '3119', 'e', '1773', 't', '7529', '7067', 'Q', '3151', '4557', '7795', '823', '8653', '6519']

u2951qk8515g3119e1773t75297067Q31514557