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.
--------
Question: 7, 12, ['6613', 'O', 'g', 'Y', '6115', '3527', '1921', 'z', 'U', '7233', '4793', 'c', 'W', 'y', '1245', '4121', '5729', 'y', 'L']

Answer: 1921zU72334793c


Question: 1, 7, ['q', 'G', '8805', '1201', '6131', 'a', '3789', '9671']

Answer: qG880512016131a3789


Question: 10, 18, ['1863', 'R', '1949', '3689', 'w', '1387', '4909', '9037', '7395', 'X', '9247', 'T', 'n', 'B', '6779', 'b', '1799', '6755', 'z', '3861', '3669', 'G', 'V']

Answer:
X9247TnB6779b17996755