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:
7, 17, ['585', '2781', '2379', 'p', 'Q', 'Q', 'm', '9579', 'D', '989', '2351', 'G', '1737', 'w', '6601', 'c', '5687']
answer:
m9579D9892351G1737w6601c5687


question:
11, 13, ['T', '1735', '7509', 'U', '6671', '413', 'a', '3195', 'a', 'N', '7299', 'H', '8331', 'X', '6027']
answer:
7299H8331


question:
7, 13, ['2167', 'T', 'e', '1245', 'Q', 'L', '7569', 'x', 'z', 'T', '5693', 's', '7083', '3333', '341', 'U', 'n', 'w', 'R']
answer:

7569xzT5693s7083