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.
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Question: 6, 12, ['W', '7747', '1915', 'Z', '6841', 'U', '7357', 'B', '5029', 'd', '69', 'E']

Answer: U7357B5029d69E


Question: 5, 7, ['L', 'L', '1691', '2221', 'W', '5023', '3925', 'p', '8279', '2293', 'h', '9061', 'r', '2863', 'p', 'U']

Answer: W50233925


Question: 12, 25, ['j', '9927', 'M', 'I', '517', '1597', '1695', 'o', '3443', 'B', '8959', '755', '5291', '4467', '7325', 'R', '8007', 'f', '7569', 'Q', 'u', '5677', 'o', 'Q', 'V']

Answer:
755529144677325R8007f7569Qu5677oQV