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: 6, 18, ['G', '8289', 'O', '2413', '8819', '7983', '669', 't', '5929', '9337', '7045', 't', '9769', 'I', 'R', '7755', '651', '8513', '1421']

57651