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

[EX Q]: 9, 13, ['3605', 'j', 'i', '1593', 'U', '2073', '4373', '6569', 'A', '315', '4629', 'G', '6917', '4835', '9531', 's', 'w', '9699', 'z', '8325', 'V']
[EX A]: A3154629G6917

[EX Q]: 3, 4, ['1427', '8249', '535', '3409', '7149', '9517', 'z']
[EX A]:
5353409