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: 2, 11, ['c', '7757', '1979', '1685', '1023', '6947', '2269', 'E', 'u', 'S', '2471', '9851', 'U', 'A']

775719791685102369472269EuS2471