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.

Input: Consider Input: 1, 2, ['T', 'r']

Output: Tr


Input: Consider Input: 1, 2, ['D', '5207']

Output: D5207


Input: Consider Input: 7, 15, ['m', 'p', 'k', '5893', 'J', '7913', 'Y', '1087', 'A', '3669', '491', '6469', 'o', '4163', '9443', '7291', 't', 'p']


Output: Y1087A36694916469o41639443