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, 1, ['6369', '4647']
[EX A]: 6369

[EX Q]: 1, 2, ['f', '6835']
[EX A]: f6835

[EX Q]: 13, 20, ['M', 's', 'v', '8501', 'R', 'N', 'A', '721', '6637', 'A', 'g', 'f', '4355', 'f', '8727', '8407', 'R', 'g', '6375', 'T', 'c', '8455', 'n', '4421', '1779', 'Z', '6721', 'N', '3753', '1241']
[EX A]:
4355f87278407Rg6375T