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: 3, 19, ['g', '4289', 'Z', 'l', '8153', '5921', '9647', 'B', 'c', 'B', 'b', 'i', '8257', 'j', '7155', 'Z', '4975', 'z', 'r', 'b', '1761']

Zl815359219647BcBbi8257j7155Z4975zr