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]: 6, 7, ['9747', '2771', '8633', '4251', 'v', 'r', '6949', 'm', 'r', 'H']
[EX A]: r6949

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

[EX Q]: 2, 12, ['b', 'I', 'h', '5587', '4467', '9597', '5483', 'H', '7469', '4373', '7445', 'x', '8807', '3787', '9811', 'u', 'G', 'W', 'f']
[EX A]:
Ih5587446795975483H746943737445x