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.

[EX Q]: 3, 19, ['2549', 'N', 'w', 'E', '3855', 'u', 'x', 'Y', 'K', '7323', '9181', '2499', 'p', '821', '2731', '2451', '8037', 'n', '1251', '9403', '61', '3', '6575', '311', 'C', 'b', 'h']
[EX A]: wE3855uxYK732391812499p821273124518037n1251

[EX Q]: 2, 7, ['4735', '4943', '391', '1951', '8785', '4869', '3971']
[EX A]: 49433911951878548693971

[EX Q]: 6, 7, ['2193', '3173', '3559', 'r', 'i', 'o', 'U', '1027', 'p', '3917', '9813', '5037', '5437', 's', 'o', 'l', '5881']
[EX A]:
oU