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: 1, 3, ['1963', '8375', 'l', '2629', '2987']

Answer: 19638375l


Question: 7, 20, ['M', 'w', '4271', 'S', 'N', '2229', 'I', '5851', 'M', '7427', '9069', '507', 't', '9823', '1015', 'v', '3835', '2015', '3625', 'F', '9195', 'V', '3613', '6431', '3293', '2945', '4373', '2835', 'J']

Answer: I5851M74279069507t98231015v383520153625F


Question: 3, 10, ['5943', 'U', 'k', '7075', 'V', '1269', 'f', '7931', '2345', '9417', '8005', 'G', '3103', '8047', 'x', 't', 'U', '3593', '6429', 'g', 'B', '2353', '7591']

Answer:
k7075V1269f793123459417