Definition: 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.
Input: 7, 19, ['2119', '8769', '5083', 'A', 'v', '779', 'Q', '1989', 'j', 'w', '619', 'f', '4239', '2361', 'm', '2901', 'z', '8245', '947', '907', 'k', '993', 'E', 'v', 'H', 'n', 'X', 't', '3703']

Q1989jw619f42392361m2901z8245947