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:
1, 3, ['7605', '2043', 'r', '6367', '7109', 'f', '4221', '8153', 'k', '5155']
answer:
76052043r


question:
7, 19, ['1899', '4271', 'D', '8199', 'm', '4847', '3631', '7637', '4429', '7541', 'g', '6763', '8281', 'N', '5505', '3547', '2173', 'P', 'R', '655', '4599', 'y', 'Z', '2059', '3229', 'c', '4363', '8351']
answer:
3631763744297541g67638281N550535472173PR


question:
12, 28, ['I', 'i', '2671', 'Q', '7277', 'F', 'x', '2289', '4049', 'r', 'O', '7235', '7029', '2751', '6251', '7229', 'O', '7061', '8225', '487', 'H', 'p', '8283', 'j', 't', '4075', '7213', 'F']
answer:

72357029275162517229O70618225487Hp8283jt40757213F