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 return the sum of all the numerical elements in the list A between the positions i and j (including positions i and j). Return 0 if no numerical element is present in the list between the given ranges. 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, 4, ['c', '3429', '8179', '3761', '4923', '703', 'J', '4347', 'r', 'L', '3795', 'K', '3763', 'B', '269', 'j', 'e', '5619', '2987', 'r', 'C', '3919']

11940