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:
12, 21, ['v', 'I', 'o', 'q', 'u', '4689', '1379', 'G', '7635', '8729', '6547', '8037', '531', '5137', 'y', '89', '6521', '2019', '8051', '6433', '2565', '8059', '111', 'H', 'I', '9455', '5147']
answer:
80375315137y8965212019805164332565


question:
9, 14, ['s', '5659', 'Y', '305', '7077', 'B', 'q', '6785', 'x', '2765', '2291', '1253', '5261', 'm', '271', '8367', '6977', '8579', '7747', '6423', 'R', '1287', '1567', 'Q', '2441', '5831', '4757', 'v']
answer:
x2765229112535261m


question:
10, 12, ['M', '8291', 'X', 'J', 'q', 'K', '7163', '2927', 'N', '5965', 'G', '7673', '9703', '3673', '8023']
answer:

5965G7673


