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: 1, 2, ['3877', '2107']

Answer: 38772107


Question: 4, 18, ['r', 'W', '2683', '1451', 'b', '5295', '6037', 's', 'o', 'p', 'S', 'C', 'U', 'z', 'K', '6539', '4519', 'T', 'i', '4467']

Answer: 1451b52956037sopSCUzK65394519T


Question: 19, 24, ['2683', 'b', '2133', '6247', 'O', '497', 'L', '3579', '5105', '6927', 'U', 'T', 'o', '713', '3425', '1497', 'e', '9069', 'q', 'F', '6061', 'p', 'R', '3659', '8185', 'j']

Answer:
qF6061pR3659