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.

[Q]: 1, 2, ['E', 'W', '2117']
[A]: EW


[Q]: 13, 20, ['D', 'y', 'n', 'A', '1611', 'k', 'I', '3431', 'M', '205', 'p', '211', '9233', '2193', 'h', '8671', 'a', '2321', 'o', '5209', 'q']
[A]: 92332193h8671a2321o5209


[Q]: 18, 21, ['8669', '8699', '415', '7853', '9107', '9775', '9169', '4193', 'n', 'i', '1061', '8529', 'v', '6867', '9197', '3539', '6479', '9179', 'i', 'j', '8403', 'O', 'w', 'l', 'f']
[A]:
9179ij8403