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: 2, 3, ['407', 'S', '8215', '9067']

Answer: S8215


Question: 5, 20, ['T', '4981', '219', 'S', '9051', 'n', 'L', '8145', '8869', '7773', 'x', '8985', 'F', 'j', 'n', '3479', '1133', '8525', '3163', 'Q', '6191', 'Z', 'b', '2545']

Answer: 9051nL814588697773x8985Fjn3479113385253163Q


Question: 6, 7, ['9879', '4495', '2955', 'L', '131', '8675', '4527']

Answer:
86754527