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: 14, 20, ['9351', 'U', 'l', 'f', '9523', 'S', 'c', 't', '6821', '1849', '8317', '3247', 'q', 'I', 'Z', 'C', 'x', 'x', '2043', '9145']

IZCxx20439145