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, 21, ['9051', '8417', '4237', '3469', 'm', '3497', '3529', 'g', 'W', '5211', '6201', '7051', 'f', 'n', '7619', 'O', 'U', '1835', 'N', '2035', 'j', '5845', 'm', '7725', 'U', 'y', '5677', '6805']

gW521162017051fn7619OU1835N2035j