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:
15, 20, ['E', 'V', '2589', 'r', '1501', '9699', 'K', 'S', '3971', 'k', '5743', '1525', 'c', 'O', 'X', 'i', '1863', '4295', 'M', '6309', '4975', '1663']
answer:
Xi18634295M6309


question:
1, 11, ['A', 'n', '8627', '6149', '4977', 'J', '131', '7387', '9621', 'I', 'H', 'X', '4593']
answer:
An862761494977J13173879621IH


question:
9, 10, ['o', 'S', 'K', 'j', 'S', '6383', 'h', 'L', 's', 'r', 'm', '6951', 'c', '2535', 'y', '4615', 'r']
answer:

sr