instruction:
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:
9, 15, ['6387', 'q', '2301', '4151', '5969', '129', 'X', '1637', 'V', 'Y', '8575', 'p', '1001', 'b', 'W', 'M', '9575']
answer:
VY8575p1001bW


question:
19, 22, ['b', '7945', '8133', '4305', 'V', 'D', 'B', 'j', '7161', '9117', '9313', '9165', 'f', 'V', 'X', '1843', 'h', 'q', 'i', 'b', '769', '8205', 'N']
answer:
ib7698205


question:
3, 16, ['2905', 'l', 'G', 'w', '6707', '8783', '3471', 'F', '8295', 'U', 'n', '6383', 'V', '3343', '3179', 'O', '313', '8379', 'T', 'E']
answer:

Gw670787833471F8295Un6383V33433179O