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: 4, 18, ['v', 'F', 'f', 't', '4583', '5855', '7287', '9709', '907', 'F', 'd', 'k', '8297', '9743', 'N', '553', 'U', '7327', '9949', '9613']

t4583585572879709907Fdk82979743N553U7327